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List of Intel Xeon processors (Nehalem-based)
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<h2 id="xeon-3000-series-uniprocessor">Xeon 3000-series (uniprocessor)</h2> <h3>"<a href="/facts/Lynnfield_(microprocessor)/rEVtS1Ic">Lynnfield</a>" (45 nm)</h3> <ul><li>Based on <a href="/facts/Nehalem_(microarchitecture)/UPsI457h">Nehalem microarchitecture</a></li> <li>Uni-processor only</li> <li>All models except X3430 support <a href="/facts/Hyper-Threading/hjqGgK8V">Hyper-Threading</a></li> <li>All models support: <i><a href="/facts/MMX_(instruction_set)/8o3JJhns">MMX</a>, <a href="/facts/NX_bit/MnBB93BK">XD bit</a>, <a href="/facts/Streaming_SIMD_Extensions/mMa6EFyB">SSE</a>, <a href="/facts/SSE2/cheNDPSK">SSE2</a>, <a href="/facts/SSE3/Ch9oP4oh">SSE3</a>, <a href="/facts/SSSE3/xlRTcz4I">SSSE3</a>, <a href="/facts/SSE4.1/Tnxrl7Ph">SSE4.1</a>, <a href="/facts/SSE4.2/Tnxrl7Ph">SSE4.2</a>, <a href="/facts/Intel_64/cyWvUFlP">Intel 64</a>, <a href="/facts/SpeedStep/kbjhM3Wz">SpeedStep</a>, <a href="/facts/Turbo_Boost/W9I2PUcg">Turbo Boost</a>, <a href="/facts/Smart_Cache/x8BYFcdv">Smart Cache</a>, <a href="/facts/Intel_VT-x/utQwmdY3">VT-x</a>,<a class="footnote-ref" id="fnref:1" href="#fn:1"><sup>1</sup></a> <a href="/facts/Extended_Page_Table/WY0j2dRv">EPT</a>,<a class="footnote-ref" id="fnref:2" href="#fn:2"><sup>2</sup></a> <a href="/facts/Intel_VT-d/utQwmdY3">VT-d</a>, <a href="/facts/Trusted_Execution_Technology/ELjv2uVt">TXT</a>, <a href="/facts/ECC_memory/eG38xJoR">ECC</a><a class="footnote-ref" id="fnref:3" href="#fn:3"><sup>3</sup></a></i></li> <li><a href="/facts/Die_(integrated_circuit)/XWvdlltE">Die</a> size: 296 mm²</li> <li><a href="/facts/Stepping_(version_numbers)/L72oFc8s">Steppings</a>: B1</li></ul> <table><tbody><tr><th>Modelnumber</th><th>sSpecnumber</th><th>Frequency</th><th><a href="/facts/Intel_Turbo_Boost/W9I2PUcg">Turbo</a></th><th>Cores</th><th><a href="/facts/CPU_cache/x8BYFcdv">L2cache</a></th><th><a href="/facts/CPU_cache/x8BYFcdv">L3cache</a></th><th>I/O bus</th><th><a href="/facts/CPU_multiplier/p1GVNh7K">Mult.</a></th><th><a href="/facts/Memory_controller/tHq2zlws">Memory</a></th><th><a href="/facts/CPU_core_voltage/Y5WCvhSf">Voltage</a></th><th><a href="/facts/Thermal_design_power/Idcy26tM">TDP</a></th><th><a href="/facts/CPU_socket/ndWcsnq6">Socket</a></th><th>Release date</th><th>Partnumber(s)</th><th>Releaseprice (<a href="/facts/United_States_dollar/naEEDUhC">USD</a>)</th></tr><tr><td colspan="17">Quad Core</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/42927.html">Xeon X3430</a></td><td><ul><li>SLBLJ (B1)</li></ul></td><td>2.4 GHz</td><td>1/1/2/3</td><td>4</td><td>4 × 256 <a href="/facts/Kilobyte/jIe6t4yv">KB</a></td><td>8 <a href="/facts/Megabyte/RBF4XpWb">MB</a></td><td><a href="/facts/Direct_Media_Interface/ylK0cfmm">DMI</a></td><td>18×</td><td>2 × DDR3-1333</td><td>0.65–1.40 V</td><td>95 W</td><td><a href="/facts/LGA_1156/9k3NLkz7">LGA 1156</a></td><td>September 8, 2009</td><td><ul><li>BX80605X3430</li><li>BV80605001914AG</li></ul></td><td>$189</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/42928.html">Xeon X3440</a></td><td><ul><li>SLBLF (B1)</li></ul></td><td>2.53 GHz</td><td>1/1/2/3</td><td>4</td><td>4 × 256 KB</td><td>8 MB</td><td>DMI</td><td>19×</td><td>2 × DDR3-1333</td><td>0.65–1.40 V</td><td>95 W</td><td>LGA 1156</td><td>September 8, 2009</td><td><ul><li>BX80605X3440</li><li>BV80605002517AQ</li></ul></td><td>$215</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/42929.html">Xeon X3450</a></td><td><ul><li>SLBLD (B1)</li></ul></td><td>2.67 GHz</td><td>1/1/4/4</td><td>4</td><td>4 × 256 KB</td><td>8 MB</td><td>DMI</td><td>20×</td><td>2 × DDR3-1333</td><td>0.65–1.40 V</td><td>95 W</td><td>LGA 1156</td><td>September 8, 2009</td><td><ul><li>BX80605X3450</li><li>BV80605001911AQ</li></ul></td><td>$241</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/42931.html">Xeon X3460</a></td><td><ul><li>SLBJK (B1)</li></ul></td><td>2.8 GHz</td><td>1/1/4/5</td><td>4</td><td>4 × 256 KB</td><td>8 MB</td><td>DMI</td><td>21×</td><td>2 × DDR3-1333</td><td>0.65–1.40 V</td><td>95 W</td><td>LGA 1156</td><td>September 8, 2009</td><td><ul><li>BX80605X3460</li><li>BV80605001908AL</li></ul></td><td>$316</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/42932.html">Xeon X3470</a></td><td><ul><li>SLBJH (B1)</li></ul></td><td>2.93 GHz</td><td>2/2/4/5</td><td>4</td><td>4 × 256 KB</td><td>8 MB</td><td>DMI</td><td>22×</td><td>2 × DDR3-1333</td><td>0.65–1.40 V</td><td>95 W</td><td>LGA 1156</td><td>September 8, 2009</td><td><ul><li>BX80605X3470</li><li>BV80605001905AJ</li></ul></td><td>$589</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/48501.html">Xeon X3480</a></td><td><ul><li>SLBPT (B1)</li></ul></td><td>3.07 GHz</td><td>2/2/4/5</td><td>4</td><td>4 × 256 KB</td><td>8 MB</td><td>DMI</td><td>23×</td><td>2 × DDR3-1333</td><td>0.65–1.40 V</td><td>95 W</td><td>LGA 1156</td><td>May 30, 2010</td><td><ul><li>BX80605X3480</li><li>BV80605002505AH</li></ul></td><td>$612</td></tr><tr><td colspan="17">Quad Core, low voltage</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/43233.html">Xeon L3426</a></td><td><ul><li>SLBN3 (B1)</li></ul></td><td>1.87 GHz</td><td>2/2/9/10</td><td>4</td><td>4 × 256 <a href="/facts/Kilobyte/jIe6t4yv">KB</a></td><td>8 <a href="/facts/Megabyte/RBF4XpWb">MB</a></td><td><a href="/facts/Direct_Media_Interface/ylK0cfmm">DMI</a></td><td>14×</td><td>2 × DDR3-1333</td><td>0.65–1.40 V</td><td>45 W</td><td><a href="/facts/LGA_1156/9k3NLkz7">LGA 1156</a></td><td>September 8, 2009</td><td><ul><li>BX80605L3426</li><li>BV80605004737AA</li></ul></td><td>$284</td></tr></tbody></table> <h3>"<a href="/facts/Bloomfield_(microprocessor)/QJzB410e">Bloomfield</a>" (45 nm)</h3> <ul><li>Based on <a href="/facts/Nehalem_(microarchitecture)/UPsI457h">Nehalem microarchitecture</a></li> <li>Uni-processor only</li> <li>Quad-core models support: <i><a href="/facts/Hyper-Threading/hjqGgK8V">Hyper-Threading</a>, <a href="/facts/Turbo_Boost/W9I2PUcg">Turbo Boost</a></i></li> <li>All models support: <i><a href="/facts/MMX_(instruction_set)/8o3JJhns">MMX</a>, <a href="/facts/NX_bit/MnBB93BK">XD bit</a>, <a href="/facts/Streaming_SIMD_Extensions/mMa6EFyB">SSE</a>, <a href="/facts/SSE2/cheNDPSK">SSE2</a>, <a href="/facts/SSE3/Ch9oP4oh">SSE3</a>, <a href="/facts/SSSE3/xlRTcz4I">SSSE3</a>, <a href="/facts/SSE4.1/Tnxrl7Ph">SSE4.1</a>, <a href="/facts/SSE4.2/Tnxrl7Ph">SSE4.2</a>, <a href="/facts/Intel_64/cyWvUFlP">Intel 64</a>, <a href="/facts/SpeedStep/kbjhM3Wz">SpeedStep</a>, <a href="/facts/Smart_Cache/x8BYFcdv">Smart Cache</a>, <a href="/facts/Intel_VT-x/utQwmdY3">VT-x</a>,<a class="footnote-ref" id="fnref:4" href="#fn:4"><sup>4</sup></a> <a href="/facts/Extended_Page_Table/WY0j2dRv">EPT</a>,<a class="footnote-ref" id="fnref:5" href="#fn:5"><sup>5</sup></a> <a href="/facts/ECC_memory/eG38xJoR">ECC</a></i></li> <li><a href="/facts/Die_(integrated_circuit)/XWvdlltE">Die</a> size: 263 mm²</li> <li><a href="/facts/Stepping_(version_numbers)/L72oFc8s">Steppings</a>: D0</li></ul> <table><tbody><tr><th>Modelnumber</th><th>sSpecnumber</th><th>Frequency</th><th><a href="/facts/Intel_Turbo_Boost/W9I2PUcg">Turbo</a></th><th>Cores</th><th><a href="/facts/CPU_cache/x8BYFcdv">L2cache</a></th><th><a href="/facts/CPU_cache/x8BYFcdv">L3cache</a></th><th>I/O bus</th><th><a href="/facts/CPU_multiplier/p1GVNh7K">Mult.</a></th><th><a href="/facts/Memory_controller/tHq2zlws">Memory</a></th><th><a href="/facts/CPU_core_voltage/Y5WCvhSf">Voltage</a></th><th><a href="/facts/Thermal_design_power/Idcy26tM">TDP</a></th><th><a href="/facts/CPU_socket/ndWcsnq6">Socket</a></th><th>Release date</th><th>Partnumber(s)</th><th>Releaseprice (<a href="/facts/United_States_dollar/naEEDUhC">USD</a>)</th></tr><tr><td colspan="17">Dual Core</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/40799.html">Xeon W3503</a></td><td><ul><li>SLBGD (D0)</li></ul></td><td>2.4 GHz</td><td>—</td><td>2</td><td>2× 256 <a href="/facts/Kilobyte/jIe6t4yv">KB</a></td><td>4 <a href="/facts/Megabyte/RBF4XpWb">MB</a></td><td>1 × 4.8 GT/s <a href="/facts/Intel_QuickPath_Interconnect/BUfedB2U">QPI</a></td><td>18×</td><td>3 × DDR3-1066</td><td>0.8–1.225 V</td><td>130 W</td><td><a href="/facts/LGA_1366/8k078HcP">LGA 1366</a></td><td>March 30, 2009</td><td><ul><li>AT80601002868AA</li></ul></td><td>OEM</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/40800.html">Xeon W3505</a></td><td><ul><li>SLBGC (D0)</li></ul></td><td>2.53 GHz</td><td>—</td><td>2</td><td>2× 256 KB</td><td>4 MB</td><td>1 × 4.8 GT/s QPI</td><td>19×</td><td>3 × DDR3-1066</td><td>0.8–1.225 V</td><td>130 W</td><td>LGA 1366</td><td>March 30, 2009</td><td><ul><li>AT80601002865AA</li></ul></td><td>OEM</td></tr><tr><td colspan="17">Quad Core</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/39718.html">Xeon W3520</a></td><td><ul><li>SLBEW (D0)</li></ul></td><td>2.67 GHz</td><td>1/1/1/2</td><td>4</td><td>4 × 256 <a href="/facts/Kilobyte/jIe6t4yv">KB</a></td><td>8 <a href="/facts/Megabyte/RBF4XpWb">MB</a></td><td>1 × 4.8 GT/s <a href="/facts/Intel_QuickPath_Interconnect/BUfedB2U">QPI</a></td><td>20×</td><td>3 × DDR3-1066</td><td>0.8–1.375 V</td><td>130 W</td><td><a href="/facts/LGA_1366/8k078HcP">LGA 1366</a></td><td>March 30, 2009</td><td><ul><li>AT80601000741AB</li></ul></td><td>$284</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/41313.html">Xeon W3530</a></td><td><ul><li>SLBKR (D0)</li></ul></td><td>2.8 GHz</td><td>1/1/1/2</td><td>4</td><td>4 × 256 KB</td><td>8 MB</td><td>1 × 4.8 GT/s QPI</td><td>21×</td><td>3 × DDR3-1066</td><td>0.8–1.375 V</td><td>130 W</td><td>LGA 1366</td><td>March 16, 2010</td><td><ul><li>AT80601000897AB</li></ul></td><td>$294</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/39719.html">Xeon W3540</a></td><td><ul><li>SLBEX (D0)</li></ul></td><td>2.93 GHz</td><td>1/1/1/2</td><td>4</td><td>4 × 256 KB</td><td>8 MB</td><td>1 × 4.8 GT/s QPI</td><td>22×</td><td>3 × DDR3-1066</td><td>0.8–1.375 V</td><td>130 W</td><td>LGA 1366</td><td>March 30, 2009</td><td><ul><li>AT80601000921AB</li></ul></td><td>$562</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/39720.html">Xeon W3550</a></td><td><ul><li>SLBEY (D0)</li></ul></td><td>3.07 GHz</td><td>1/1/1/2</td><td>4</td><td>4 × 256 KB</td><td>8 MB</td><td>1 × 4.8 GT/s QPI</td><td>23×</td><td>3 × DDR3-1066</td><td>0.8–1.375 V</td><td>130 W</td><td>LGA 1366</td><td>August 9, 2009</td><td><ul><li>AT80601002112AB</li></ul></td><td>$562</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/39721.html">Xeon W3565</a></td><td><ul><li>SLBEV (D0)</li></ul></td><td>3.2 GHz</td><td>1/1/1/2</td><td>4</td><td>4 × 256 KB</td><td>8 MB</td><td>1 × 4.8 GT/s QPI</td><td>24×</td><td>3 × DDR3-1066</td><td>0.8–1.225 V</td><td>130 W</td><td>LGA 1366</td><td>November 1, 2009</td><td><ul><li>AT80601002727AB</li></ul></td><td>$562</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/39722.html">Xeon W3570</a></td><td><ul><li>SLBES (D0)</li></ul></td><td>3.2 GHz</td><td>1/1/1/2</td><td>4</td><td>4 × 256 KB</td><td>8 MB</td><td>1 × 6.4 GT/s QPI</td><td>24×</td><td>3 × DDR3-1333</td><td>0.8–1.375 V</td><td>130 W</td><td>LGA 1366</td><td>March 30, 2009</td><td><ul><li>AT80601000918AB</li></ul></td><td>$999</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/39723.html">Xeon W3580</a></td><td><ul><li>SLBET (D0)</li></ul></td><td>3.33 GHz</td><td>1/1/1/2</td><td>4</td><td>4 × 256 KB</td><td>8 MB</td><td>1 × 6.4 GT/s QPI</td><td>25×</td><td>3 × DDR3-1333</td><td>0.8–1.375 V</td><td>130 W</td><td>LGA 1366</td><td>August 9, 2009</td><td><ul><li>AT80601002274AB</li></ul></td><td>$999</td></tr></tbody></table> <h3>"<a href="/facts/Jasper_Forest_(microprocessor)/j1M8Hp6D">Jasper Forest</a>" (45 nm)</h3> <ul><li>Based on <a href="/facts/Nehalem_(microarchitecture)/UPsI457h">Nehalem microarchitecture</a></li> <li>Uni-processor only</li> <li>LC3528 supports: <i><a href="/facts/Hyper-Threading/hjqGgK8V">Hyper-Threading</a>, <a href="/facts/Turbo_Boost/W9I2PUcg">Turbo Boost</a></i></li> <li>All models support: <i><a href="/facts/MMX_(instruction_set)/8o3JJhns">MMX</a>, <a href="/facts/NX_bit/MnBB93BK">XD bit</a>, <a href="/facts/Streaming_SIMD_Extensions/mMa6EFyB">SSE</a>, <a href="/facts/SSE2/cheNDPSK">SSE2</a>, <a href="/facts/SSE3/Ch9oP4oh">SSE3</a>, <a href="/facts/SSSE3/xlRTcz4I">SSSE3</a>, <a href="/facts/SSE4.1/Tnxrl7Ph">SSE4.1</a>, <a href="/facts/SSE4.2/Tnxrl7Ph">SSE4.2</a>, <a href="/facts/Intel_64/cyWvUFlP">Intel 64</a>, <a href="/facts/SpeedStep/kbjhM3Wz">SpeedStep</a>, <a href="/facts/Smart_Cache/x8BYFcdv">Smart Cache</a>, <a href="/facts/Intel_VT-x/utQwmdY3">VT-x</a>,<a class="footnote-ref" id="fnref:6" href="#fn:6"><sup>6</sup></a> <a href="/facts/Extended_Page_Table/WY0j2dRv">EPT</a>,<a class="footnote-ref" id="fnref:7" href="#fn:7"><sup>7</sup></a> <a href="/facts/Intel_VT-d/utQwmdY3">VT-d</a>, <a href="/facts/ECC_memory/eG38xJoR">ECC</a></i></li> <li><a href="/facts/Die_(integrated_circuit)/XWvdlltE">Die</a> size: 263 mm²</li> <li><a href="/facts/Stepping_(version_numbers)/L72oFc8s">Steppings</a>: B0<a class="footnote-ref" id="fnref:8" href="#fn:8"><sup>8</sup></a></li></ul> <table><tbody><tr><th>Modelnumber</th><th>sSpecnumber</th><th>Frequency</th><th><a href="/facts/Intel_Turbo_Boost/W9I2PUcg">Turbo</a></th><th>Cores</th><th><a href="/facts/CPU_cache/x8BYFcdv">L2cache</a></th><th><a href="/facts/CPU_cache/x8BYFcdv">L3cache</a></th><th>I/O bus</th><th><a href="/facts/CPU_multiplier/p1GVNh7K">Mult.</a></th><th><a href="/facts/Memory_controller/tHq2zlws">Memory</a></th><th><a href="/facts/CPU_core_voltage/Y5WCvhSf">Voltage</a></th><th><a href="/facts/Thermal_design_power/Idcy26tM">TDP</a></th><th><a href="/facts/CPU_socket/ndWcsnq6">Socket</a></th><th>Release date</th><th>Partnumber(s)</th><th>Releaseprice (<a href="/facts/United_States_dollar/naEEDUhC">USD</a>)</th></tr><tr><td colspan="17">Single Core, low voltage</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/47646.html">Xeon LC3518</a></td><td><ul><li>SLBWH (B0)</li></ul></td><td>1.73 GHz</td><td>—</td><td>1</td><td>1 × 256 <a href="/facts/Kilobyte/jIe6t4yv">KB</a></td><td>2 <a href="/facts/Megabyte/RBF4XpWb">MB</a></td><td><a href="/facts/Direct_Media_Interface/ylK0cfmm">DMI</a></td><td>13×</td><td>2× DDR3-800</td><td>0.75–1.35 V</td><td>23 W</td><td><a href="/facts/LGA_1366/8k078HcP">LGA 1366</a></td><td>February 11, 2010</td><td><ul><li>AT80612002946AA</li></ul></td><td>$192</td></tr><tr><td colspan="17">Dual Core, low voltage</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/47645.html">Xeon LC3528</a></td><td><ul><li>SLBWG (B0)</li></ul></td><td>1.73 GHz</td><td>1866 MHz</td><td>2</td><td>2 × 256 KB</td><td>4 MB</td><td>DMI</td><td>13×</td><td>2× DDR3-800</td><td>0.75–1.35 V</td><td>35 W</td><td>LGA 1366</td><td>February 11, 2010</td><td><ul><li>AT80612002931AB</li></ul></td><td>$302</td></tr><tr><td colspan="17">Quad Core</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/47642.html">Xeon EC3539</a></td><td><ul><li>SLBWJ (B0)</li></ul></td><td>2.13 GHz</td><td>—</td><td>4</td><td>4 × 256 KB</td><td>8 MB</td><td>DMI</td><td>16×</td><td>3 × DDR3-1066</td><td>0.75–1.35 V</td><td>65 W</td><td>LGA 1366</td><td>February 11, 2010</td><td><ul><li>AT80612003090AA</li></ul></td><td>$302</td></tr></tbody></table> <h3>"<a href="/facts/Clarkdale_(microprocessor)/5JHPQG93">Clarkdale</a>" (<a href="/facts/Multi-chip_package/AzyVaNNp">MCP</a>, 32 nm)</h3> <ul><li>Based on <a href="/facts/Westmere_(microarchitecture)/yB4HcYdY">Westmere microarchitecture</a></li> <li>Uni-processor only</li> <li>L3406 supports <a href="/facts/Hyper-Threading/hjqGgK8V">Hyper-Threading</a>, <a href="/facts/Intel_Turbo_Boost/W9I2PUcg">Turbo Boost</a></li> <li>All models support: <i><a href="/facts/MMX_(instruction_set)/8o3JJhns">MMX</a>, <a href="/facts/NX_bit/MnBB93BK">XD bit</a>, <a href="/facts/Streaming_SIMD_Extensions/mMa6EFyB">SSE</a>, <a href="/facts/SSE2/cheNDPSK">SSE2</a>, <a href="/facts/SSE3/Ch9oP4oh">SSE3</a>, <a href="/facts/SSSE3/xlRTcz4I">SSSE3</a>, <a href="/facts/SSE4.1/Tnxrl7Ph">SSE4.1</a>, <a href="/facts/SSE4.2/Tnxrl7Ph">SSE4.2</a>, <a href="/facts/X64/cyWvUFlP">Intel 64</a>, <a href="/facts/SpeedStep/kbjhM3Wz">SpeedStep</a>, <a href="/facts/Smart_Cache/x8BYFcdv">Smart Cache</a>, <a href="/facts/Intel_VT-x/utQwmdY3">VT-x</a>,<a class="footnote-ref" id="fnref:9" href="#fn:9"><sup>9</sup></a> <a href="/facts/Extended_Page_Table/WY0j2dRv">EPT</a>,<a class="footnote-ref" id="fnref:10" href="#fn:10"><sup>10</sup></a> <a href="/facts/Intel_VT-d/utQwmdY3">VT-d</a>, <a href="/facts/Trusted_Execution_Technology/ELjv2uVt">TXT</a>, <a href="/facts/ECC_memory/eG38xJoR">ECC</a><a class="footnote-ref" id="fnref:11" href="#fn:11"><sup>11</sup></a></i></li> <li><a href="/facts/Die_(integrated_circuit)/XWvdlltE">Die</a> size: 81 mm² (CPU Component)</li> <li><a href="/facts/Stepping_(version_numbers)/L72oFc8s">Steppings</a>: C2</li></ul> <table><tbody><tr><th>Modelnumber</th><th>sSpecnumber</th><th>Frequency</th><th><a href="/facts/Intel_Turbo_Boost/W9I2PUcg">Turbo</a></th><th>GPUfrequency</th><th>Cores</th><th><a href="/facts/CPU_cache/x8BYFcdv">L2cache</a></th><th><a href="/facts/CPU_cache/x8BYFcdv">L3cache</a></th><th>I/O bus</th><th><a href="/facts/CPU_multiplier/p1GVNh7K">Mult.</a></th><th><a href="/facts/Memory_controller/tHq2zlws">Memory</a></th><th><a href="/facts/CPU_core_voltage/Y5WCvhSf">Voltage</a></th><th><a href="/facts/Thermal_design_power/Idcy26tM">TDP</a></th><th><a href="/facts/CPU_socket/ndWcsnq6">Socket</a></th><th>Release date</th><th>Partnumber(s)</th><th>Releaseprice (<a href="/facts/United_States_dollar/naEEDUhC">USD</a>)</th></tr><tr><td colspan="17">Dual Core, low voltage</td></tr><tr><td>Xeon L3403<a class="footnote-ref" id="fnref:12" href="#fn:12"><sup>12</sup></a><a class="footnote-ref" id="fnref:13" href="#fn:13"><sup>13</sup></a></td><td><ul><li>SLBT9 (K0)</li><li>SLBRX (C2)</li></ul></td><td>2 GHz</td><td>—</td><td>—</td><td>2</td><td>2 × 256 <a href="/facts/Kilobyte/jIe6t4yv">KB</a></td><td>4 <a href="/facts/Megabyte/RBF4XpWb">MB</a></td><td><a href="/facts/Direct_Media_Interface/ylK0cfmm">DMI</a></td><td>15×</td><td>2 × DDR3-1066</td><td>0.65–1.40 V</td><td>30 W</td><td><a href="/facts/LGA_1156/9k3NLkz7">LGA 1156</a></td><td>October 2010</td><td><ul><li>CM80616005496AB</li></ul></td><td>OEM</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/47555.html">Xeon L3406</a></td><td><ul><li>SLBT8 (K0)</li><li>SLBQQ (C2)</li></ul></td><td>2.27 GHz</td><td>2.53 GHz</td><td>—</td><td>2</td><td>2 × 256 <a href="/facts/Kilobyte/jIe6t4yv">KB</a></td><td>4 <a href="/facts/Megabyte/RBF4XpWb">MB</a></td><td><a href="/facts/Direct_Media_Interface/ylK0cfmm">DMI</a></td><td>17×</td><td>2 × DDR3-1066</td><td>0.65–1.40 V</td><td>30 W</td><td><a href="/facts/LGA_1156/9k3NLkz7">LGA 1156</a></td><td>March 16, 2010</td><td><ul><li>CM80616005010AA</li><li>BX80616L3406</li></ul></td><td>$189</td></tr></tbody></table> <h3>"<a href="/facts/Gulftown_(microprocessor)/qq85u06f">Gulftown</a>" (32 nm)</h3> <ul><li>Based on <a href="/facts/Westmere_(microarchitecture)/yB4HcYdY">Westmere microarchitecture</a></li> <li>Uniprocessor-only systems</li> <li>All models support: <i><a href="/facts/MMX_(instruction_set)/8o3JJhns">MMX</a>, <a href="/facts/NX_bit/MnBB93BK">XD bit</a>, <a href="/facts/Streaming_SIMD_Extensions/mMa6EFyB">SSE</a>, <a href="/facts/SSE2/cheNDPSK">SSE2</a>, <a href="/facts/SSE3/Ch9oP4oh">SSE3</a>, <a href="/facts/SSSE3/xlRTcz4I">SSSE3</a>, <a href="/facts/SSE4.1/Tnxrl7Ph">SSE4.1</a>, <a href="/facts/SSE4.2/Tnxrl7Ph">SSE4.2</a>, <a href="/facts/X64/cyWvUFlP">Intel 64</a>, <a href="/facts/Hyper-threading/hjqGgK8V">Hyper-Threading</a>, <a href="/facts/AES_instruction_set/NomFEB4w">AES-NI</a>, <a href="/facts/SpeedStep/kbjhM3Wz">SpeedStep</a>, <a href="/facts/Turbo_Boost/W9I2PUcg">Turbo Boost</a>, <a href="/facts/Smart_Cache/x8BYFcdv">Smart Cache</a>, <a href="/facts/Intel_VT-x/utQwmdY3">VT-x</a>,<a class="footnote-ref" id="fnref:14" href="#fn:14"><sup>14</sup></a> <a href="/facts/Extended_Page_Table/WY0j2dRv">EPT</a>,<a class="footnote-ref" id="fnref:15" href="#fn:15"><sup>15</sup></a> <a href="/facts/Intel_VT-d/utQwmdY3">VT-d</a>, <a href="/facts/Trusted_Execution_Technology/ELjv2uVt">TXT</a>, <a href="/facts/ECC_memory/eG38xJoR">ECC</a></i></li> <li><a href="/facts/Die_(integrated_circuit)/XWvdlltE">Die</a> size: 240 mm²</li> <li><a href="/facts/Stepping_(version_numbers)/L72oFc8s">Steppings</a>: B1</li></ul> <table><tbody><tr><th>Modelnumber</th><th>sSpecnumber</th><th>Frequency</th><th><a href="/facts/Intel_Turbo_Boost/W9I2PUcg">Turbo</a></th><th>Cores</th><th><a href="/facts/CPU_cache/x8BYFcdv">L2cache</a></th><th><a href="/facts/CPU_cache/x8BYFcdv">L3cache</a></th><th>I/O bus</th><th><a href="/facts/CPU_multiplier/p1GVNh7K">Mult.</a></th><th><a href="/facts/Memory_controller/tHq2zlws">Memory</a></th><th><a href="/facts/CPU_core_voltage/Y5WCvhSf">Voltage</a></th><th><a href="/facts/Thermal_design_power/Idcy26tM">TDP</a></th><th><a href="/facts/CPU_socket/ndWcsnq6">Socket</a></th><th>Release date</th><th>Partnumber(s)</th><th>Releaseprice (<a href="/facts/United_States_dollar/naEEDUhC">USD</a>)</th></tr><tr><td colspan="17">Six Core</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/47918.html">Xeon W3670</a></td><td><ul><li>SLBVE (B1)</li></ul></td><td>3.2 GHz</td><td>1/1/1/1/2/2</td><td>6</td><td>6 × 256 <a href="/facts/Kilobyte/jIe6t4yv">KB</a></td><td>12 <a href="/facts/Megabyte/RBF4XpWb">MB</a></td><td>1 × 4.8 GT/s <a href="/facts/Intel_QuickPath_Interconnect/BUfedB2U">QPI</a></td><td>24×</td><td>3 × DDR3-1066</td><td>0.8–1.375 V</td><td>130 W</td><td><a href="/facts/LGA_1366/8k078HcP">LGA 1366</a></td><td>August 29, 2010</td><td><ul><li>AT80613005490AC</li><li>BX80613W3670</li></ul></td><td>$885</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/47917.html">Xeon W3680</a></td><td><ul><li>SLBV2 (B1)</li></ul></td><td>3.33 GHz</td><td>1/1/1/1/2/2</td><td>6</td><td>6 × 256 KB</td><td>12 MB</td><td>1 × 6.4 GT/s QPI</td><td>25×</td><td>3 × DDR3-1333</td><td>0.8–1.375 V</td><td>130 W</td><td>LGA 1366</td><td>March 16, 2010</td><td><ul><li>AT80613003543AF</li><li>BX80613W3680</li></ul></td><td>$999</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/52586.html">Xeon W3690</a></td><td><ul><li>SLBW2 (B1)</li></ul></td><td>3.47 GHz</td><td>1/1/1/1/2/2</td><td>6</td><td>6 × 256 KB</td><td>12 MB</td><td>1 × 6.4 GT/s QPI</td><td>26×</td><td>3 × DDR3-1333</td><td>0.8–1.375 V</td><td>130 W</td><td>LGA 1366</td><td>February 14, 2011</td><td><ul><li>AT80613005931AB</li><li>BX80613W3690</li></ul></td><td>$999</td></tr></tbody></table> <h2 id="xeon-5000-series-dual-processor">Xeon 5000-series (dual-processor)</h2> <h3>"<a href="/facts/Gainestown_(microprocessor)/j1M8Hp6D">Nehalem-EP (Gainestown)</a>" (45 nm) Efficient Performance</h3> <ul><li>Based on <a href="/facts/Nehalem_(microarchitecture)/UPsI457h">Nehalem microarchitecture</a></li> <li>All models support: <i><a href="/facts/MMX_(instruction_set)/8o3JJhns">MMX</a>, <a href="/facts/Streaming_SIMD_Extensions/mMa6EFyB">SSE</a>, <a href="/facts/SSE2/cheNDPSK">SSE2</a>, <a href="/facts/SSE3/Ch9oP4oh">SSE3</a>, <a href="/facts/SSSE3/xlRTcz4I">SSSE3</a>, <a href="/facts/SSE4/Tnxrl7Ph">SSE4.1</a>, <a href="/facts/SSE4/Tnxrl7Ph">SSE4.2</a>, Demand-Based Switching (Intel's Server <a href="/facts/Speedstep/kbjhM3Wz">EIST</a>), <a href="/facts/Intel_64/cyWvUFlP">Intel 64</a>, <a href="/facts/XD_bit/MnBB93BK">XD bit</a> (an <a href="/facts/NX_bit/MnBB93BK">NX bit</a> implementation), <a href="/facts/Intel_VT-x/utQwmdY3">Intel VT-x</a>, <a href="/facts/Extended_Page_Table/WY0j2dRv">Intel EPT</a>, <a href="/facts/Intel_VT-d/utQwmdY3">Intel VT-d</a>, <a href="/facts/Intel_VT-c/utQwmdY3">Intel VT-c</a>,<a class="footnote-ref" id="fnref:16" href="#fn:16"><sup>16</sup></a> <a href="/facts/Chipkill/vecDMzJt">Intel x8 SDDC</a><a class="footnote-ref" id="fnref:17" href="#fn:17"><sup>17</sup></a><a class="footnote-ref" id="fnref:18" href="#fn:18"><sup>18</sup></a></i></li> <li>All models support: <i><a href="/facts/Hyper-Threading/hjqGgK8V">Hyper-Threading</a>, <a href="/facts/Turbo_Boost/W9I2PUcg">Turbo Boost</a></i> except E5502, E5503, E5504, E5506, L5506, E5507</li> <li>All models support dual-processor configurations</li> <li><a href="/facts/Die_(integrated_circuit)/XWvdlltE">Die</a> size: 263 mm²</li> <li><a href="/facts/Stepping_(version_numbers)/L72oFc8s">Steppings</a>: D0<a class="footnote-ref" id="fnref:19" href="#fn:19"><sup>19</sup></a><a class="footnote-ref" id="fnref:20" href="#fn:20"><sup>20</sup></a></li></ul> <table><tbody><tr><th>Modelnumber</th><th>sSpecnumber</th><th>Frequency</th><th><a href="/facts/Intel_Turbo_Boost/W9I2PUcg">Turbo</a></th><th>Cores</th><th><a href="/facts/CPU_cache/x8BYFcdv">L2cache</a></th><th><a href="/facts/CPU_cache/x8BYFcdv">L3cache</a></th><th>I/O bus</th><th><a href="/facts/CPU_multiplier/p1GVNh7K">Mult.</a></th><th><a href="/facts/Memory_controller/tHq2zlws">Memory</a></th><th><a href="/facts/CPU_core_voltage/Y5WCvhSf">Voltage</a></th><th><a href="/facts/Thermal_design_power/Idcy26tM">TDP</a></th><th><a href="/facts/CPU_socket/ndWcsnq6">Socket</a></th><th>Release date</th><th>Partnumber(s)</th><th>Releaseprice (<a href="/facts/United_States_dollar/naEEDUhC">USD</a>)</th></tr><tr><td colspan="17">Dual Core</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/37092.html">Xeon E5502</a></td><td><ul><li>SLBEZ (D0)</li></ul></td><td>1.87 GHz</td><td>—</td><td>2</td><td>2× 256 <a href="/facts/Kilobyte/jIe6t4yv">KB</a></td><td>4 <a href="/facts/Megabyte/RBF4XpWb">MB</a></td><td>2 × 4.8 GT/s <a href="/facts/Intel_QuickPath_Interconnect/BUfedB2U">QPI</a></td><td>14×</td><td>3 × DDR3-800</td><td>0.75–1.35 V</td><td>80 W</td><td><a href="/facts/LGA_1366/8k078HcP">LGA 1366</a></td><td>March 30, 2009</td><td><ul><li>AT80602000804AA</li></ul></td><td>$188</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/37094.html">Xeon E5503</a></td><td><ul><li>SLBKD (D0)</li></ul></td><td>2 GHz</td><td>—</td><td>2</td><td>2× 256 KB</td><td>4 MB</td><td>2 × 4.8 GT/s QPI</td><td>15×</td><td>3 × DDR3-800</td><td>0.75–1.35 V</td><td>80 W</td><td>LGA 1366</td><td>March 16, 2010</td><td><ul><li>AT80602003636AA</li></ul></td><td>$224</td></tr><tr><td colspan="17">Dual Core, low voltage</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/40726.html">Xeon L5508</a></td><td><ul><li>SLBGK (D0)</li></ul></td><td>2 GHz</td><td>2/3</td><td>2</td><td>2× 256 <a href="/facts/Kilobyte/jIe6t4yv">KB</a></td><td>8 <a href="/facts/Megabyte/RBF4XpWb">MB</a></td><td>2 × 5.86 GT/s <a href="/facts/Intel_QuickPath_Interconnect/BUfedB2U">QPI</a></td><td>15×</td><td>3 × DDR3-1066</td><td>0.75–1.35 V</td><td>38 W</td><td><a href="/facts/LGA_1366/8k078HcP">LGA 1366</a></td><td>March 30, 2009</td><td><ul><li>AT80602002697AC</li></ul></td><td>$440</td></tr><tr><td colspan="17">Quad Core</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/40711.html">Xeon E5504</a></td><td><ul><li>SLBF9 (D0)</li></ul></td><td>2 GHz</td><td>—</td><td>4</td><td>4 × 256 <a href="/facts/Kilobyte/jIe6t4yv">KB</a></td><td>4 <a href="/facts/Megabyte/RBF4XpWb">MB</a></td><td>2 × 4.8 GT/s <a href="/facts/Intel_QuickPath_Interconnect/BUfedB2U">QPI</a></td><td>15×</td><td>3 × DDR3-800</td><td>0.75–1.35 V</td><td>80 W</td><td><a href="/facts/LGA_1366/8k078HcP">LGA 1366</a></td><td>March 30, 2009</td><td><ul><li>AT80602000801AA</li></ul></td><td>$224</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/37096.html">Xeon E5506</a></td><td><ul><li>SLBF8 (D0)</li></ul></td><td>2.13 GHz</td><td>—</td><td>4</td><td>4 × 256 KB</td><td>4 MB</td><td>2 × 4.8 GT/s QPI</td><td>16×</td><td>3 × DDR3-800</td><td>0.75–1.35 V</td><td>80 W</td><td>LGA 1366</td><td>March 30, 2009</td><td><ul><li>AT80602000798AA</li></ul></td><td>$266</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/37100.html">Xeon E5507</a></td><td><ul><li>SLBKC (D0)</li></ul></td><td>2.27 GHz</td><td>—</td><td>4</td><td>4 × 256 KB</td><td>4 MB</td><td>2 × 4.8 GT/s QPI</td><td>17×</td><td>3 × DDR3-800</td><td>0.75–1.35 V</td><td>80 W</td><td>LGA 1366</td><td>March 16, 2010</td><td><ul><li>AT80602000795AA</li></ul></td><td>$266</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/40200.html">Xeon E5520</a></td><td><ul><li>SLBFD (D0)</li></ul></td><td>2.27 GHz</td><td>1/1/1/2</td><td>4</td><td>4 × 256 KB</td><td>8 MB</td><td>2 × 5.86 GT/s QPI</td><td>17×</td><td>3 × DDR3-1066</td><td>0.75–1.35 V</td><td>80 W</td><td>LGA 1366</td><td>March 30, 2009</td><td><ul><li>AT80602002091AA</li></ul></td><td>$373</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/37103.html">Xeon E5530</a></td><td><ul><li>SLBF7 (D0)</li></ul></td><td>2.4 GHz</td><td>1/1/1/2</td><td>4</td><td>4 × 256 KB</td><td>8 MB</td><td>2 × 5.86 GT/s QPI</td><td>18×</td><td>3 × DDR3-1066</td><td>0.75–1.35 V</td><td>80 W</td><td>LGA 1366</td><td>March 30, 2009</td><td><ul><li>AT80602000792AA</li></ul></td><td>$530</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/37104.html">Xeon E5540</a></td><td><ul><li>SLBF6 (D0)</li></ul></td><td>2.53 GHz</td><td>1/1/1/2</td><td>4</td><td>4 × 256 KB</td><td>8 MB</td><td>2 × 5.86 GT/s QPI</td><td>19×</td><td>3 × DDR3-1066</td><td>0.75–1.35 V</td><td>80 W</td><td>LGA 1366</td><td>March 30, 2009</td><td><ul><li>AT80602000789AA</li></ul></td><td>$774</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/37106.html">Xeon X5550</a></td><td><ul><li>SLBF5 (D0)</li></ul></td><td>2.67 GHz</td><td>2/2/3/3</td><td>4</td><td>4 × 256 KB</td><td>8 MB</td><td>2 × 6.4 GT/s QPI</td><td>20×</td><td>3 × DDR3-1333</td><td>0.75–1.35 V</td><td>95 W</td><td>LGA 1366</td><td>March 30, 2009</td><td><ul><li>AT80602000771AA</li></ul></td><td>$958</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/37109.html">Xeon X5560</a></td><td><ul><li>SLBF4 (D0)</li></ul></td><td>2.8 GHz</td><td>2/2/3/3</td><td>4</td><td>4 × 256 KB</td><td>8 MB</td><td>2 × 6.4 GT/s QPI</td><td>21×</td><td>3 × DDR3-1333</td><td>0.75–1.35 V</td><td>95 W</td><td>LGA 1366</td><td>March 30, 2009</td><td><ul><li>AT80602000768AA</li></ul></td><td>$1172</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/37111.html">Xeon X5570</a></td><td><ul><li>SLBF3 (D0)</li></ul></td><td>2.93 GHz</td><td>2/2/3/3</td><td>4</td><td>4 × 256 KB</td><td>8 MB</td><td>2 × 6.4 GT/s QPI</td><td>22×</td><td>3 × DDR3-1333</td><td>0.75–1.35 V</td><td>95 W</td><td>LGA 1366</td><td>March 30, 2009</td><td><ul><li>AT80602000765AA</li></ul></td><td>$1386</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/37113.html">Xeon W5580</a></td><td><ul><li>SLBF2 (D0)</li></ul></td><td>3.2 GHz</td><td>1/1/1/2</td><td>4</td><td>4 × 256 KB</td><td>8 MB</td><td>2 × 6.4 GT/s QPI</td><td>24×</td><td>3 × DDR3-1333</td><td>0.75–1.35 V</td><td>130 W</td><td>LGA 1366</td><td>March 30, 2009</td><td><ul><li>AT80602000756AD</li></ul></td><td>$1600</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/41643.html">Xeon W5590</a></td><td><ul><li>SLBGE (D0)</li></ul></td><td>3.33 GHz</td><td>1/1/1/2</td><td>4</td><td>4 × 256 KB</td><td>8 MB</td><td>2 × 6.4 GT/s QPI</td><td>25×</td><td>3 × DDR3-1333</td><td>0.75–1.35 V</td><td>130 W</td><td>LGA 1366</td><td>August 9, 2009</td><td><ul><li>AT80602000753AA</li></ul></td><td>$1600</td></tr><tr><td colspan="17">Quad Core, low voltage</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/40712.html">Xeon L5506</a></td><td><ul><li>SLBFH (D0)</li></ul></td><td>2.13 GHz</td><td>—</td><td>4</td><td>4 × 256 <a href="/facts/Kilobyte/jIe6t4yv">KB</a></td><td>4 <a href="/facts/Megabyte/RBF4XpWb">MB</a></td><td>2 × 4.8 GT/s <a href="/facts/Intel_QuickPath_Interconnect/BUfedB2U">QPI</a></td><td>16×</td><td>3 × DDR3-800</td><td>0.75–1.35 V</td><td>60 W</td><td><a href="/facts/LGA_1366/8k078HcP">LGA 1366</a></td><td>March 30, 2009</td><td><ul><li>AT80602002712AA</li></ul></td><td>$423</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/40727.html">Xeon L5518</a></td><td><ul><li>SLBFW (D0)</li></ul></td><td>2.13 GHz</td><td>1/1/1/2</td><td>4</td><td>4 × 256 KB</td><td>8 MB</td><td>2 × 5.86 GT/s QPI</td><td>16×</td><td>3 × DDR3-1066</td><td>0.75–1.35 V</td><td>60 W</td><td>LGA 1366</td><td>March 30, 2009</td><td><ul><li>AT80602002265AB</li></ul></td><td>$551</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/40201.html">Xeon L5520</a></td><td><ul><li>SLBFA (D0)</li></ul></td><td>2.27 GHz</td><td>1/1/1/2</td><td>4</td><td>4 × 256 KB</td><td>8 MB</td><td>2 × 5.86 GT/s QPI</td><td>17×</td><td>3 × DDR3-1066</td><td>0.75–1.35 V</td><td>60 W</td><td>LGA 1366</td><td>March 30, 2009</td><td><ul><li>AT80602000810AA</li></ul></td><td>$530</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/41755.html">Xeon L5530</a></td><td><ul><li>SLBGF (D0)</li></ul></td><td>2.4 GHz</td><td>1/1/1/2</td><td>4</td><td>4 × 256 KB</td><td>8 MB</td><td>2 × 5.86 GT/s QPI</td><td>18×</td><td>3 × DDR3-1066</td><td>0.75–1.35 V</td><td>60 W</td><td>LGA 1366</td><td>August 9, 2009</td><td><ul><li>AT80602002927AB</li></ul></td><td>$744</td></tr></tbody></table> <h3>"<a href="/facts/Jasper_Forest_(microprocessor)/j1M8Hp6D">Jasper Forest-DP</a>" (45 nm)</h3> <ul><li>Based on <a href="/facts/Nehalem_(microarchitecture)/UPsI457h">Nehalem microarchitecture</a></li> <li>All models support: <i><a href="/facts/MMX_(instruction_set)/8o3JJhns">MMX</a>, <a href="/facts/Streaming_SIMD_Extensions/mMa6EFyB">SSE</a>, <a href="/facts/SSE2/cheNDPSK">SSE2</a>, <a href="/facts/SSE3/Ch9oP4oh">SSE3</a>, <a href="/facts/SSSE3/xlRTcz4I">SSSE3</a>, <a href="/facts/SSE4/Tnxrl7Ph">SSE4.1</a>, <a href="/facts/SSE4/Tnxrl7Ph">SSE4.2</a>, Demand-Based Switching (Intel's Server <a href="/facts/Speedstep/kbjhM3Wz">EIST</a>), <a href="/facts/Intel_64/cyWvUFlP">Intel 64</a>, <a href="/facts/XD_bit/MnBB93BK">XD bit</a> (an <a href="/facts/NX_bit/MnBB93BK">NX bit</a> implementation), <a href="/facts/Intel_VT-x/utQwmdY3">Intel VT-x</a>, <a href="/facts/Extended_Page_Table/WY0j2dRv">Intel EPT</a>, <a href="/facts/Intel_VT-d/utQwmdY3">Intel VT-d</a>, <a href="/facts/Intel_VT-c/utQwmdY3">Intel VT-c</a>,<a class="footnote-ref" id="fnref:21" href="#fn:21"><sup>21</sup></a> <a href="/facts/Chipkill/vecDMzJt">Intel x8 SDDC</a><a class="footnote-ref" id="fnref:22" href="#fn:22"><sup>22</sup></a><a class="footnote-ref" id="fnref:23" href="#fn:23"><sup>23</sup></a></i></li> <li>EC5549, LC5528, and LC5518 support: <i><a href="/facts/Hyper-Threading/hjqGgK8V">Hyper-Threading</a>, <a href="/facts/Turbo_Boost/W9I2PUcg">Turbo Boost</a></i></li> <li><a href="/facts/Die_(integrated_circuit)/XWvdlltE">Die</a> size: 263 mm²</li> <li><a href="/facts/Stepping_(version_numbers)/L72oFc8s">Steppings</a>: B0<a class="footnote-ref" id="fnref:24" href="#fn:24"><sup>24</sup></a></li></ul> <table><tbody><tr><th>Modelnumber</th><th>sSpecnumber</th><th>Frequency</th><th><a href="/facts/Intel_Turbo_Boost/W9I2PUcg">Turbo</a></th><th>Cores</th><th><a href="/facts/CPU_cache/x8BYFcdv">L2cache</a></th><th><a href="/facts/CPU_cache/x8BYFcdv">L3cache</a></th><th>I/O bus</th><th><a href="/facts/CPU_multiplier/p1GVNh7K">Mult.</a></th><th><a href="/facts/Memory_controller/tHq2zlws">Memory</a></th><th><a href="/facts/CPU_core_voltage/Y5WCvhSf">Voltage</a></th><th><a href="/facts/Thermal_design_power/Idcy26tM">TDP</a></th><th><a href="/facts/CPU_socket/ndWcsnq6">Socket</a></th><th>Release date</th><th>Partnumber(s)</th><th>Releaseprice (<a href="/facts/United_States_dollar/naEEDUhC">USD</a>)</th></tr><tr><td colspan="17">Dual Core</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/47640.html">Xeon EC5539</a></td><td><ul><li>SLBWL (B0)</li></ul></td><td>2.27 GHz</td><td>—</td><td>2</td><td>2 × 256 <a href="/facts/Kilobyte/jIe6t4yv">KB</a></td><td>4 <a href="/facts/Megabyte/RBF4XpWb">MB</a></td><td>1 × 5.86 GT/s <a href="/facts/Intel_QuickPath_Interconnect/BUfedB2U">QPI</a></td><td>17×</td><td>3 × DDR3-1333</td><td>0.75–1.35 V</td><td>65 W</td><td><a href="/facts/LGA_1366/8k078HcP">LGA 1366</a></td><td>February 12, 2010</td><td><ul><li>AT80612003861AB</li></ul></td><td>$388</td></tr><tr><td colspan="17">Quad Core</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/47643.html">Xeon EC5509</a></td><td><ul><li>SLBWM (B0)</li></ul></td><td>2 GHz</td><td>—</td><td>4</td><td>4 × 256 KB</td><td>8 MB</td><td>1 × 4.8 GT/s QPI</td><td>15×</td><td>3 × DDR3-1066</td><td>0.75–1.35 V</td><td>85 W</td><td>LGA 1366</td><td>February 12, 2010</td><td><ul><li>AT80612004740AA</li></ul></td><td>$266</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/47639.html">Xeon EC5549</a></td><td><ul><li>SLBWP (B0)</li></ul></td><td>2.53 GHz</td><td>2933 MHz</td><td>4</td><td>4 × 256 KB</td><td>8 MB</td><td>1 × 5.86 GT/s QPI</td><td>19×</td><td>3 × DDR3-1333</td><td>0.75–1.35 V</td><td>85 W</td><td>LGA 1366</td><td>February 12, 2010</td><td><ul><li>AT80612005712AB</li></ul></td><td>$530</td></tr><tr><td colspan="17">Quad Core, low voltage</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/47644.html">Xeon LC5518</a></td><td><ul><li>SLBWF (B0)</li></ul></td><td>1.73 GHz</td><td>2133 MHz</td><td>4</td><td>4 × 256 <a href="/facts/Kilobyte/jIe6t4yv">KB</a></td><td>8 <a href="/facts/Megabyte/RBF4XpWb">MB</a></td><td>1 × 4.8 GT/s <a href="/facts/Intel_QuickPath_Interconnect/BUfedB2U">QPI</a></td><td>13×</td><td>3 × DDR3-1066</td><td>0.75–1.35 V</td><td>48 W</td><td><a href="/facts/LGA_1366/8k078HcP">LGA 1366</a></td><td>February 12, 2010</td><td><ul><li>AT80612002928AC</li></ul></td><td>$519</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/47641.html">Xeon LC5528</a></td><td><ul><li>SLBWK (B0)</li></ul></td><td>2.13 GHz</td><td>2533 MHz</td><td>4</td><td>4 × 256 KB</td><td>8 MB</td><td>1 × 4.8 GT/s QPI</td><td>16×</td><td>3 × DDR3-1066</td><td>0.75–1.35 V</td><td>60 W</td><td>LGA 1366</td><td>February 12, 2010</td><td><ul><li>AT80612003858AA</li></ul></td><td>$519</td></tr></tbody></table> <h3>"<a href="/facts/Gulftown/qq85u06f">Westmere-EP</a>" (32 nm) Efficient Performance</h3> <ul><li>Based on <a href="/facts/Westmere_(microarchitecture)/yB4HcYdY">Westmere microarchitecture</a></li> <li>All models support: <i><a href="/facts/MMX_(instruction_set)/8o3JJhns">MMX</a>, <a href="/facts/Streaming_SIMD_Extensions/mMa6EFyB">SSE</a>, <a href="/facts/SSE2/cheNDPSK">SSE2</a>, <a href="/facts/SSE3/Ch9oP4oh">SSE3</a>, <a href="/facts/SSSE3/xlRTcz4I">SSSE3</a>, <a href="/facts/SSE4.1/Tnxrl7Ph">SSE4.1</a>, <a href="/facts/SSE4.2/Tnxrl7Ph">SSE4.2</a>, Enhanced Intel <a href="/facts/SpeedStep/kbjhM3Wz">SpeedStep</a> Technology (EIST), <a href="/facts/Intel_64/cyWvUFlP">Intel 64</a>, XD bit (an <a href="/facts/NX_bit/MnBB93BK">NX bit</a> implementation), <a href="/facts/Trusted_Execution_Technology/ELjv2uVt">TXT</a>, <a href="/facts/Intel_VT-x/utQwmdY3">Intel VT-x</a>, <a href="/facts/Extended_Page_Table/WY0j2dRv">Intel EPT</a>, <a href="/facts/Intel_VT-d/utQwmdY3">Intel VT-d</a>, <a href="/facts/Intel_VT-c/utQwmdY3">Intel VT-c</a>,<a class="footnote-ref" id="fnref:25" href="#fn:25"><sup>25</sup></a> <a href="/facts/Chipkill/vecDMzJt">Intel x8 SDDC</a>,<a class="footnote-ref" id="fnref:26" href="#fn:26"><sup>26</sup></a><a class="footnote-ref" id="fnref:27" href="#fn:27"><sup>27</sup></a> <a href="/facts/AES_instruction_set/NomFEB4w">AES-NI</a>, <a href="/facts/Smart_Cache/x8BYFcdv">Smart Cache</a></i>, <i><a href="/facts/Hyper-Threading/hjqGgK8V">Hyper-Threading</a>, <a href="/facts/Turbo_Boost/W9I2PUcg">Turbo Boost</a></i> except E5603, E5606, E5607, L5609</li> <li>Dual-socket configurations supported</li> <li><a href="/facts/Die_(integrated_circuit)/XWvdlltE">Die</a> size: 240 mm²</li> <li><a href="/facts/Stepping_(version_numbers)/L72oFc8s">Steppings</a>: B1</li></ul> <table><tbody><tr><th>Modelnumber</th><th>sSpecnumber</th><th>Frequency</th><th><a href="/facts/Intel_Turbo_Boost/W9I2PUcg">Turbo</a></th><th>Cores</th><th><a href="/facts/CPU_cache/x8BYFcdv">L2cache</a></th><th><a href="/facts/CPU_cache/x8BYFcdv">L3cache</a></th><th>I/O bus</th><th><a href="/facts/CPU_multiplier/p1GVNh7K">Mult.</a></th><th><a href="/facts/Memory_controller/tHq2zlws">Memory</a></th><th><a href="/facts/CPU_core_voltage/Y5WCvhSf">Voltage</a></th><th><a href="/facts/Thermal_design_power/Idcy26tM">TDP</a></th><th><a href="/facts/CPU_socket/ndWcsnq6">Socket</a></th><th>Release date</th><th>Partnumber(s)</th><th>Releaseprice (<a href="/facts/United_States_dollar/naEEDUhC">USD</a>)</th></tr><tr><td colspan="17">Dual Core</td></tr><tr><td>Xeon X5698</td><td><ul><li>SLC32 (B1)</li></ul></td><td>4.4 GHz</td><td>0/1</td><td>2</td><td>2 × 256 <a href="/facts/Kilobyte/jIe6t4yv">KB</a></td><td>12 <a href="/facts/Megabyte/RBF4XpWb">MB</a></td><td>2 × 6.4 GT/s <a href="/facts/Intel_QuickPath_Interconnect/BUfedB2U">QPI</a></td><td>33×</td><td>3 × DDR3-1333</td><td>0.75–1.35 V</td><td>130 W</td><td><a href="/facts/LGA_1366/8k078HcP">LGA 1366</a></td><td>Q1, 2011</td><td><ul><li>AT80614007314AA</li></ul></td><td>OEM</td></tr><tr><td colspan="17">Quad Core</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/52584.html">Xeon E5603</a></td><td><ul><li>SLC2F (B1)</li></ul></td><td>1.6 GHz</td><td>—</td><td>4</td><td>4 × 256 KB</td><td>4 MB</td><td>2 × 4.8 GT/s QPI</td><td>12×</td><td>3 × DDR3-1066</td><td>0.75–1.35 V</td><td>80 W</td><td>LGA 1366</td><td>February 14, 2011</td><td><ul><li>AT80614006954AA</li><li>BX80614E5603</li></ul></td><td>$188</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/52583.html">Xeon E5606</a></td><td><ul><li>SLC2N (B1)</li></ul></td><td>2.13 GHz</td><td>—</td><td>4</td><td>4 × 256 KB</td><td>8 MB</td><td>2 × 4.8 GT/s QPI</td><td>16×</td><td>3 × DDR3-1066</td><td>0.75–1.35 V</td><td>80 W</td><td>LGA 1366</td><td>February 14, 2011</td><td><ul><li>AT80614007290AE</li><li>BX80614E5606</li></ul></td><td>$219</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/52582.html">Xeon E5607</a></td><td><ul><li>SLBZ9 (B1)</li></ul></td><td>2.27 GHz</td><td>—</td><td>4</td><td>4 × 256 KB</td><td>8 MB</td><td>2 × 4.8 GT/s QPI</td><td>17×</td><td>3 × DDR3-1066</td><td>0.75–1.35 V</td><td>80 W</td><td>LGA 1366</td><td>February 14, 2011</td><td><ul><li>AT80614006789AA</li><li>BX80614E5607</li></ul></td><td>$276</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/47925.html">Xeon E5620</a></td><td><ul><li>SLBV4 (B1)</li></ul></td><td>2.4 GHz</td><td>1/1/2/2</td><td>4</td><td>4 × 256 KB</td><td>12 MB</td><td>2 × 5.86 GT/s QPI</td><td>18×</td><td>3 × DDR3-1066</td><td>0.75–1.35 V</td><td>80 W</td><td>LGA 1366</td><td>March 16, 2010</td><td><ul><li>AT80614005073AB</li><li>BX80614E5620</li></ul></td><td>$387</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/47924.html">Xeon E5630</a></td><td><ul><li>SLBVB (B1)</li></ul></td><td>2.53 GHz</td><td>1/1/2/2</td><td>4</td><td>4 × 256 KB</td><td>12 MB</td><td>2 × 5.86 GT/s QPI</td><td>19×</td><td>3 × DDR3-1066</td><td>0.75–1.35 V</td><td>80 W</td><td>LGA 1366</td><td>March 16, 2010</td><td><ul><li>AT80614005463AA</li><li>BX80614E5630</li></ul></td><td>$551</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/47923.html">Xeon E5640</a></td><td><ul><li>SLBVC (B1)</li></ul></td><td>2.67 GHz</td><td>1/1/2/2</td><td>4</td><td>4 × 256 KB</td><td>12 MB</td><td>2 × 5.86 GT/s QPI</td><td>20×</td><td>3 × DDR3-1066</td><td>0.75–1.35 V</td><td>80 W</td><td>LGA 1366</td><td>March 16, 2010</td><td><ul><li>AT80614005466AA</li><li>BX80614E5640</li></ul></td><td>$774</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/52580.html">Xeon X5647</a></td><td><ul><li>SLBZ7 (B1)</li></ul></td><td>2.93 GHz</td><td>1/1/2/2</td><td>4</td><td>4 × 256 KB</td><td>12 MB</td><td>2 × 5.86 GT/s QPI</td><td>22×</td><td>3 × DDR3-1066</td><td>0.75–1.35 V</td><td>130 W</td><td>LGA 1366</td><td>February 14, 2011</td><td><ul><li>AT80614006780AA</li></ul></td><td>$774</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/47919.html">Xeon X5667</a></td><td><ul><li>SLBVA (B1)</li></ul></td><td>3.07 GHz</td><td>2/2/3/3</td><td>4</td><td>4 × 256 KB</td><td>12 MB</td><td>2 × 6.4 GT/s QPI</td><td>23×</td><td>3 × DDR3-1333</td><td>0.75–1.35 V</td><td>95 W</td><td>LGA 1366</td><td>March 16, 2010</td><td><ul><li>AT80614005154AB</li></ul></td><td>$1440</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/52579.html">Xeon X5672</a></td><td><ul><li>SLBYK (B1)</li></ul></td><td>3.2 GHz</td><td>2/2/3/3</td><td>4</td><td>4 × 256 KB</td><td>12 MB</td><td>2 × 6.4 GT/s QPI</td><td>24×</td><td>3 × DDR3-1333</td><td>0.75–1.35 V</td><td>95 W</td><td>LGA 1366</td><td>February 14, 2011</td><td><ul><li>AT80614005922AA</li></ul></td><td>$1440</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/47929.html">Xeon X5677</a></td><td><ul><li>SLBV9 (B1)</li></ul></td><td>3.47 GHz</td><td>1/1/2/2</td><td>4</td><td>4 × 256 KB</td><td>12 MB</td><td>2 × 6.4 GT/s QPI</td><td>26×</td><td>3 × DDR3-1333</td><td>0.75–1.35 V</td><td>130 W</td><td>LGA 1366</td><td>March 16, 2010</td><td><ul><li>AT80614005145AB</li></ul></td><td>$1663</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/52578.html">Xeon X5687</a></td><td><ul><li>SLBVY (B1)</li></ul></td><td>3.6 GHz</td><td>1/1/2/2</td><td>4</td><td>4 × 256 KB</td><td>12 MB</td><td>2 × 6.4 GT/s QPI</td><td>27×</td><td>3 × DDR3-1333</td><td>0.75–1.35 V</td><td>130 W</td><td>LGA 1366</td><td>February 14, 2011</td><td><ul><li>AT80614005919AB</li></ul></td><td>$1663</td></tr><tr><td colspan="17">Quad Core, low power</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/47928.html">Xeon L5609</a></td><td><ul><li>SLBVJ (B1)</li></ul></td><td>1.87 GHz</td><td>—</td><td>4</td><td>4 × 256 <a href="/facts/Kilobyte/jIe6t4yv">KB</a></td><td>12 <a href="/facts/Megabyte/RBF4XpWb">MB</a></td><td>2 × 4.8 GT/s <a href="/facts/Intel_QuickPath_Interconnect/BUfedB2U">QPI</a></td><td>14×</td><td>3 × DDR3-1066</td><td>0.75–1.35 V</td><td>40 W</td><td><a href="/facts/LGA_1366/8k078HcP">LGA 1366</a></td><td>March 16, 2010</td><td><ul><li>AT80614005940AA</li></ul></td><td>$440</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/48767.html">Xeon L5618</a></td><td><ul><li>SLBX3 (B1)</li></ul></td><td>1.87 GHz</td><td>1/1/2/3</td><td>4</td><td>4 × 256 KB</td><td>12 MB</td><td>2 × 5.86 GT/s QPI</td><td>14×</td><td>3 × DDR3-1066</td><td>0.75–1.35 V</td><td>40 W</td><td>LGA 1366</td><td>March 16, 2010</td><td><ul><li>AT80614005079AB</li></ul></td><td>$530</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/47927.html">Xeon L5630</a></td><td><ul><li>SLBVD (B1)</li></ul></td><td>2.13 GHz</td><td>1/1/2/2</td><td>4</td><td>4 × 256 KB</td><td>12 MB</td><td>2 × 5.86 GT/s QPI</td><td>16×</td><td>3 × DDR3-1066</td><td>0.75–1.35 V</td><td>40 W</td><td>LGA 1366</td><td>March 16, 2010</td><td><ul><li>AT80614005484AA</li></ul></td><td>$551</td></tr><tr><td colspan="17">Six Core</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/48768.html">Xeon E5645</a></td><td><ul><li>SLBWZ (B1)</li></ul></td><td>2.4 GHz</td><td>1/1/1/1/2/2</td><td>6</td><td>6 × 256 KB</td><td>12 MB</td><td>2 × 5.86 GT/s QPI</td><td>18×</td><td>3 × DDR3-1333</td><td>0.75–1.35 V</td><td>80 W</td><td>LGA 1366</td><td>March 16, 2010</td><td><ul><li>AT80614003597AC</li></ul></td><td>$551</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/52581.html">Xeon E5649</a></td><td><ul><li>SLBZ8 (B1)</li></ul></td><td>2.53 GHz</td><td>1/1/2/2/3/3</td><td>6</td><td>6 × 256 KB</td><td>12 MB</td><td>2 × 5.86 GT/s QPI</td><td>19×</td><td>3 × DDR3-1333</td><td>0.75–1.35 V</td><td>80 W</td><td>LGA 1366</td><td>February 14, 2011</td><td><ul><li>AT80614006783AB</li><li>BX80614E5649</li></ul></td><td>$774</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/47922.html">Xeon X5650</a></td><td><ul><li>SLBV3 (B1)</li></ul></td><td>2.67 GHz</td><td>2/2/2/2/3/3</td><td>6</td><td>6 × 256 KB</td><td>12 MB</td><td>2 × 6.4 GT/s QPI</td><td>20×</td><td>3 × DDR3-1333</td><td>0.75–1.35 V</td><td>95 W</td><td>LGA 1366</td><td>March 16, 2010</td><td><ul><li>AT80614004320AD</li><li>BX80614X5650</li></ul></td><td>$996</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/47921.html">Xeon X5660</a></td><td><ul><li>SLBV6 (B1)</li></ul></td><td>2.8 GHz</td><td>2/2/2/2/3/3</td><td>6</td><td>6 × 256 KB</td><td>12 MB</td><td>2 × 6.4 GT/s QPI</td><td>21×</td><td>3 × DDR3-1333</td><td>0.75–1.35 V</td><td>95 W</td><td>LGA 1366</td><td>March 16, 2010</td><td><ul><li>AT80614005127AA</li><li>BX80614X5660</li></ul></td><td>$1219</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/47920.html">Xeon X5670</a></td><td><ul><li>SLBV7 (B1)</li></ul></td><td>2.93 GHz</td><td>2/2/2/2/3/3</td><td>6</td><td>6 × 256 KB</td><td>12 MB</td><td>2 × 6.4 GT/s QPI</td><td>22×</td><td>3 × DDR3-1333</td><td>0.75–1.35 V</td><td>95 W</td><td>LGA 1366</td><td>March 16, 2010</td><td><ul><li>AT80614005130AA</li><li>BX80614X5670</li></ul></td><td>$1440</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/52577.html">Xeon X5675</a></td><td><ul><li>SLBYL (B1)</li></ul></td><td>3.07 GHz</td><td>2/2/2/2/3/3</td><td>6</td><td>6 × 256 KB</td><td>12 MB</td><td>2 × 6.4 GT/s QPI</td><td>23×</td><td>3 × DDR3-1333</td><td>0.75–1.35 V</td><td>95 W</td><td>LGA 1366</td><td>February 14, 2011</td><td><ul><li>AT80614006696AA</li><li>BX80614X5675</li></ul></td><td>$1440</td></tr><tr><td>Xeon X5679</td><td><ul><li>SLC2E (B1)</li></ul></td><td>3.2 GHz</td><td>1/1/1/1/2/2</td><td>6</td><td>6 × 256 KB</td><td>12 MB</td><td>2 × 6.4 GT/s QPI</td><td>24×</td><td>3 × DDR3-1066</td><td>0.75–1.35 V</td><td>115 W</td><td>LGA 1366</td><td>February 14, 2011</td><td><ul><li>AT80614006924AA</li></ul></td><td>OEM</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/47916.html">Xeon X5680</a></td><td><ul><li>SLBV5 (B1)</li></ul></td><td>3.33 GHz</td><td>1/1/1/1/2/2</td><td>6</td><td>6 × 256 KB</td><td>12 MB</td><td>2 × 6.4 GT/s QPI</td><td>25×</td><td>3 × DDR3-1333</td><td>0.75–1.35 V</td><td>130 W</td><td>LGA 1366</td><td>March 16, 2010</td><td><ul><li>AT80614005124AA</li><li>BX80614X5680</li></ul></td><td>$1663</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/52576.html">Xeon X5690</a></td><td><ul><li>SLBVX (B1)</li></ul></td><td>3.47 GHz</td><td>1/1/1/1/2/2</td><td>6</td><td>6 × 256 KB</td><td>12 MB</td><td>2 × 6.4 GT/s QPI</td><td>26×</td><td>3 × DDR3-1333</td><td>0.75–1.35 V</td><td>130 W</td><td>LGA 1366</td><td>February 14, 2011</td><td><ul><li>AT80614005913AB</li><li>BX80614X5690</li></ul></td><td>$1663</td></tr><tr><td colspan="17">Six Core, low power</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/48766.html">Xeon L5638</a></td><td><ul><li>SLBWY (B1)</li></ul></td><td>2 GHz</td><td>1/1/2/2/3/3</td><td>6</td><td>6 × 256 <a href="/facts/Kilobyte/jIe6t4yv">KB</a></td><td>12 <a href="/facts/Megabyte/RBF4XpWb">MB</a></td><td>2 × 5.86 GT/s <a href="/facts/Intel_QuickPath_Interconnect/BUfedB2U">QPI</a></td><td>15×</td><td>3 × DDR3-1333</td><td>0.75–1.35 V</td><td>60 W</td><td><a href="/facts/LGA_1366/8k078HcP">LGA 1366</a></td><td>March 16, 2010</td><td><ul><li>AT80614003591AB</li></ul></td><td>$958</td></tr><tr><td>Xeon L5639<a class="footnote-ref" id="fnref:28" href="#fn:28"><sup>28</sup></a></td><td><ul><li>SLBZJ (B1)</li></ul></td><td>2.13 GHz</td><td>2/2/3/3/4/4</td><td>6</td><td>6 × 256 KB</td><td>12 MB</td><td>2 × 5.86 GT/s QPI</td><td>16×</td><td>3 × DDR3-1333</td><td>0.75–1.35 V</td><td>60 W</td><td>LGA 1366</td><td>February 14, 2011</td><td><ul><li>AT80614005076AB</li></ul></td><td>OEM</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/47926.html">Xeon L5640</a></td><td><ul><li>SLBV8 (B1)</li></ul></td><td>2.27 GHz</td><td>2/2/3/3/4/4</td><td>6</td><td>6 × 256 KB</td><td>12 MB</td><td>2 × 5.86 GT/s QPI</td><td>17×</td><td>3 × DDR3-1333</td><td>0.75–1.35 V</td><td>60 W</td><td>LGA 1366</td><td>March 16, 2010</td><td><ul><li>AT80614005133AB</li><li>BX80614L5640</li></ul></td><td>$996</td></tr><tr><td>Xeon L5645<a class="footnote-ref" id="fnref:29" href="#fn:29"><sup>29</sup></a></td><td><ul><li>SLBVW (B1)</li></ul></td><td>2.4 GHz</td><td>2/2/3/3/4/4</td><td>6</td><td>6 × 256 KB</td><td>12 MB</td><td>2 × 5.86 GT/s QPI</td><td>18×</td><td>3 × DDR3-1333</td><td>0.75–1.35 V</td><td>60 W</td><td>LGA 1366</td><td>February 14, 2011</td><td><ul><li>AT80614005136AB</li></ul></td><td>OEM</td></tr></tbody></table> <h2 id="xeon-7000-series-and-e7-multiprocessor">Xeon 7000-series and E7 (multiprocessor)</h2> <h3>"<a href="/facts/Beckton_(microprocessor)/j1M8Hp6D">Nehalem-EX (Beckton)</a>" (45 nm) Expandable</h3> <ul><li>Based on <a href="/facts/Nehalem_(microarchitecture)/UPsI457h">Nehalem microarchitecture</a></li> <li>All models support: <i><a href="/facts/MMX_(instruction_set)/8o3JJhns">MMX</a>, <a href="/facts/Streaming_SIMD_Extensions/mMa6EFyB">SSE</a>, <a href="/facts/SSE2/cheNDPSK">SSE2</a>, <a href="/facts/SSE3/Ch9oP4oh">SSE3</a>, <a href="/facts/SSSE3/xlRTcz4I">SSSE3</a>, <a href="/facts/SSE4.1/Tnxrl7Ph">SSE4.1</a>, <a href="/facts/SSE4.2/Tnxrl7Ph">SSE4.2</a>, Enhanced Intel <a href="/facts/SpeedStep/kbjhM3Wz">SpeedStep</a> Technology (EIST), <a href="/facts/Intel_64/cyWvUFlP">Intel 64</a>, XD bit (an <a href="/facts/NX_bit/MnBB93BK">NX bit</a> implementation), <a href="/facts/Trusted_Execution_Technology/ELjv2uVt">TXT</a>, <a href="/facts/Intel_VT-x/utQwmdY3">Intel VT-x</a>, <a href="/facts/Extended_Page_Table/WY0j2dRv">Intel EPT</a>, <a href="/facts/Intel_VT-d/utQwmdY3">Intel VT-d</a>,<a class="footnote-ref" id="fnref:30" href="#fn:30"><sup>30</sup></a> <a href="/facts/Intel_VT-c/utQwmdY3">Intel VT-c</a>,<a class="footnote-ref" id="fnref:31" href="#fn:31"><sup>31</sup></a> <a href="/facts/Chipkill/vecDMzJt">Intel x8 SDDC</a>,<a class="footnote-ref" id="fnref:32" href="#fn:32"><sup>32</sup></a> <a href="/facts/Turbo_Boost/W9I2PUcg">Turbo Boost</a>, <a href="/facts/Smart_Cache/x8BYFcdv">Smart Cache</a></i>, <i><a href="/facts/Hyper-Threading/hjqGgK8V">Hyper-Threading</a></i> except X7542</li> <li>65xx models support single- and dual-processor configurations, while 75xx models support up to 8-processor configurations</li> <li>Transistors: 2.3 billion</li> <li><a href="/facts/Die_(integrated_circuit)/XWvdlltE">Die</a> size: 684 mm²</li> <li>Steppings: D0</li></ul> <table><tbody><tr><th>Modelnumber</th><th>sSpecnumber</th><th>Frequency</th><th><a href="/facts/Intel_Turbo_Boost/W9I2PUcg">Turbo</a></th><th>Cores</th><th><a href="/facts/CPU_cache/x8BYFcdv">L2cache</a></th><th><a href="/facts/CPU_cache/x8BYFcdv">L3cache</a></th><th>I/O bus</th><th><a href="/facts/CPU_multiplier/p1GVNh7K">Mult.</a></th><th><a href="/facts/Memory_controller/tHq2zlws">Memory</a></th><th><a href="/facts/CPU_core_voltage/Y5WCvhSf">Voltage</a></th><th><a href="/facts/Thermal_design_power/Idcy26tM">TDP</a></th><th><a href="/facts/CPU_socket/ndWcsnq6">Socket</a></th><th>Release date</th><th>Partnumber(s)</th><th>Releaseprice (<a href="/facts/United_States_dollar/naEEDUhC">USD</a>)</th></tr><tr><td colspan="17">Quad Core</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/46488.html">Xeon E6510</a></td><td><ul><li>SLBRL (D0)</li></ul></td><td>1.73 GHz</td><td>—</td><td>4</td><td>4× 256 <a href="/facts/Kilobyte/jIe6t4yv">KB</a></td><td>12 <a href="/facts/Megabyte/RBF4XpWb">MB</a></td><td>4 × 4.8 GT/s <a href="/facts/Intel_QuickPath_Interconnect/BUfedB2U">QPI</a></td><td>13×</td><td>4 × DDR3-1333</td><td>0.675–1.35 V</td><td>105 W</td><td><a href="/facts/LGA_1567/SEpFWW02">LGA 1567</a></td><td>March 30, 2010</td><td><ul><li>AT80604004896AA</li></ul></td><td>$744</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/46490.html">Xeon E7520</a></td><td><ul><li>SLBRK (D0)</li></ul></td><td>1.87 GHz</td><td>—</td><td>4</td><td>4× 256 KB</td><td>18 MB</td><td>4 × 4.8 GT/s QPI</td><td>14×</td><td>4 × DDR3-1333</td><td>0.675–1.35 V</td><td>105 W</td><td>LGA 1567</td><td>March 30, 2010</td><td><ul><li>AT80604004887AA</li></ul></td><td>$856</td></tr><tr><td colspan="17">Six Core</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/46491.html">Xeon E7530</a></td><td><ul><li>SLBRJ (D0)</li></ul></td><td>1.87 GHz</td><td>2133 MHz</td><td>6</td><td>6× 256 <a href="/facts/Kilobyte/jIe6t4yv">KB</a></td><td>12 <a href="/facts/Megabyte/RBF4XpWb">MB</a></td><td>4 × 5.86 GT/s <a href="/facts/Intel_QuickPath_Interconnect/BUfedB2U">QPI</a></td><td>14×</td><td>4 × DDR3-1333</td><td>0.675–1.35 V</td><td>105 W</td><td><a href="/facts/LGA_1567/SEpFWW02">LGA 1567</a></td><td>March 30, 2010</td><td><ul><li>AT80604004884AA</li></ul></td><td>$1391</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/46489.html">Xeon E6540</a></td><td><ul><li>SLBRC (D0)</li></ul></td><td>2 GHz</td><td>2266 MHz</td><td>6</td><td>6× 256 KB</td><td>18 MB</td><td>4 × 6.4 GT/s QPI</td><td>15×</td><td>4 × DDR3-1333</td><td>0.675–1.35 V</td><td>105 W</td><td>LGA 1567</td><td>March 30, 2010</td><td><ul><li>AT80604001800AB</li></ul></td><td>$1712</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/46492.html">Xeon E7540</a></td><td><ul><li>SLBRG (D0)</li></ul></td><td>2 GHz</td><td>2266 MHz</td><td>6</td><td>6× 256 KB</td><td>18 MB</td><td>4 × 6.4 GT/s QPI</td><td>15×</td><td>4 × DDR3-1333</td><td>0.675–1.35 V</td><td>105 W</td><td>LGA 1567</td><td>March 30, 2010</td><td><ul><li>AT80604004878AA</li></ul></td><td>$1980</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/46497.html">Xeon X7542</a></td><td><ul><li>SLBRM (D0)</li></ul></td><td>2.67 GHz</td><td>2800 MHz</td><td>6</td><td>6× 256 KB</td><td>18 MB</td><td>4 × 5.86 GT/s QPI</td><td>20×</td><td>4 × DDR3-1333</td><td>0.675–1.35 V</td><td>130 W</td><td>LGA 1567</td><td>March 30, 2010</td><td><ul><li>AT80604005280AA</li></ul></td><td>$1980</td></tr><tr><td colspan="17">Six Core, low power</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/46493.html">Xeon L7545</a></td><td><ul><li>SLBRH (D0)</li></ul></td><td>1.87 GHz</td><td>2533 MHz</td><td>6</td><td>6× 256 <a href="/facts/Kilobyte/jIe6t4yv">KB</a></td><td>18 <a href="/facts/Megabyte/RBF4XpWb">MB</a></td><td>4 × 5.86 GT/s <a href="/facts/Intel_QuickPath_Interconnect/BUfedB2U">QPI</a></td><td>14×</td><td>4 × DDR3-1333</td><td>0.675–1.35 V</td><td>95 W</td><td><a href="/facts/LGA_1567/SEpFWW02">LGA 1567</a></td><td>March 30, 2010</td><td><ul><li>AT80604004881AA</li></ul></td><td>$2087</td></tr><tr><td colspan="17">Eight Core</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/46495.html">Xeon X6550</a></td><td><ul><li>SLBRB (D0)</li></ul></td><td>2 GHz</td><td>2400 MHz</td><td>8</td><td>8× 256 <a href="/facts/Kilobyte/jIe6t4yv">KB</a></td><td>18 <a href="/facts/Megabyte/RBF4XpWb">MB</a></td><td>4 × 6.4 GT/s <a href="/facts/Intel_QuickPath_Interconnect/BUfedB2U">QPI</a></td><td>15×</td><td>4 × DDR3-1333</td><td>0.675–1.35 V</td><td>130 W</td><td><a href="/facts/LGA_1567/SEpFWW02">LGA 1567</a></td><td>March 30, 2010</td><td><ul><li>AT80604001797AB</li></ul></td><td>$2461</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/46498.html">Xeon X7550</a></td><td><ul><li>SLBRE (D0)</li></ul></td><td>2 GHz</td><td>2400 MHz</td><td>8</td><td>8× 256 KB</td><td>18 MB</td><td>4 × 6.4 GT/s QPI</td><td>15×</td><td>4 × DDR3-1333</td><td>0.675–1.35 V</td><td>130 W</td><td>LGA 1567</td><td>March 30, 2010</td><td><ul><li>AT80604004872AA</li></ul></td><td>$2729</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/46499.html">Xeon X7560</a></td><td><ul><li>SLBRD (D0)</li></ul></td><td>2.27 GHz</td><td>2666 MHz</td><td>8</td><td>8× 256 KB</td><td>24 MB</td><td>4 × 6.4 GT/s QPI</td><td>17×</td><td>4 × DDR3-1333</td><td>0.675–1.35 V</td><td>130 W</td><td>LGA 1567</td><td>March 30, 2010</td><td><ul><li>AT80604004869AA</li></ul></td><td>$3692</td></tr><tr><td colspan="17">Eight Core, low power</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/46494.html">Xeon L7555</a></td><td><ul><li>SLBRF (D0)</li></ul></td><td>1.87 GHz</td><td>2533 MHz</td><td>8</td><td>8× 256 <a href="/facts/Kilobyte/jIe6t4yv">KB</a></td><td>24 <a href="/facts/Megabyte/RBF4XpWb">MB</a></td><td>4 × 5.86 GT/s <a href="/facts/Intel_QuickPath_Interconnect/BUfedB2U">QPI</a></td><td>14×</td><td>4 × DDR3-1333</td><td>0.675–1.35 V</td><td>95 W</td><td><a href="/facts/LGA_1567/SEpFWW02">LGA 1567</a></td><td>March 30, 2010</td><td><ul><li>AT80604004875AA</li></ul></td><td>$3157</td></tr></tbody></table> <h3>"<a href="/facts/Westmere-EX/j1M8Hp6D">Westmere-EX</a>" (32 nm) Expandable</h3> <ul><li>Based on <a href="/facts/Westmere_(microarchitecture)/yB4HcYdY">Westmere microarchitecture</a>.</li> <li>All models support: <i><a href="/facts/MMX_(instruction_set)/8o3JJhns">MMX</a>, <a href="/facts/Streaming_SIMD_Extensions/mMa6EFyB">SSE</a>, <a href="/facts/SSE2/cheNDPSK">SSE2</a>, <a href="/facts/SSE3/Ch9oP4oh">SSE3</a>, <a href="/facts/SSSE3/xlRTcz4I">SSSE3</a>, <a href="/facts/SSE4.1/Tnxrl7Ph">SSE4.1</a>, <a href="/facts/SSE4.2/Tnxrl7Ph">SSE4.2</a>, Enhanced Intel <a href="/facts/SpeedStep/kbjhM3Wz">SpeedStep</a> Technology (EIST), <a href="/facts/Intel_64/cyWvUFlP">Intel 64</a>, XD bit (an <a href="/facts/NX_bit/MnBB93BK">NX bit</a> implementation), <a href="/facts/Trusted_Execution_Technology/ELjv2uVt">TXT</a>, <a href="/facts/Intel_VT/utQwmdY3">Intel VT-x</a>, <a href="/facts/Extended_Page_Table/WY0j2dRv">Intel EPT</a>, <a href="/facts/Intel_VT-d/utQwmdY3">Intel VT-d</a>, <a href="/facts/Intel_VT-c/utQwmdY3">Intel VT-c</a>, <a href="/facts/Chipkill/vecDMzJt">Intel DDDC</a>,<a class="footnote-ref" id="fnref:33" href="#fn:33"><sup>33</sup></a> <a href="/facts/Hyper-threading/hjqGgK8V">Hyper-threading</a> (except E7-8837), <a href="/facts/Turbo_Boost/W9I2PUcg">Turbo Boost</a>, <a href="/facts/AES_instruction_set/NomFEB4w">AES-NI</a>, Smart Cache.</i></li> <li>28xx models support single- and dual-processor configurations, 48xx models support up to four-processor configurations, 88xx models support up to eight-processor configurations.</li> <li>Transistors: 2.6 billion</li> <li><a href="/facts/Die_(integrated_circuit)/XWvdlltE">Die</a> size: 513 mm²</li> <li><a href="/facts/Stepping_(version_numbers)/L72oFc8s">Steppings</a>: A2</li></ul> <table><tbody><tr><th>Modelnumber</th><th>sSpecnumber</th><th>Frequency</th><th><a href="/facts/Intel_Turbo_Boost/W9I2PUcg">Turbo</a></th><th>Cores</th><th><a href="/facts/CPU_cache/x8BYFcdv">L2cache</a></th><th><a href="/facts/CPU_cache/x8BYFcdv">L3cache</a></th><th>I/O bus</th><th><a href="/facts/CPU_multiplier/p1GVNh7K">Mult.</a></th><th><a href="/facts/Memory_controller/tHq2zlws">Memory</a></th><th><a href="/facts/CPU_core_voltage/Y5WCvhSf">Voltage</a></th><th><a href="/facts/Thermal_design_power/Idcy26tM">TDP</a></th><th><a href="/facts/CPU_socket/ndWcsnq6">Socket</a></th><th>Release date</th><th>Partnumber(s)</th><th>Releaseprice (<a href="/facts/United_States_dollar/naEEDUhC">USD</a>)</th></tr><tr><td colspan="17">Six Core</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/53568.html">Xeon E7-2803</a></td><td><ul><li>SLC3M (A2)</li></ul></td><td>1.73 GHz</td><td>—</td><td>6</td><td>6× 256 <a href="/facts/Kilobyte/jIe6t4yv">KB</a></td><td>18 <a href="/facts/Megabyte/RBF4XpWb">MB</a></td><td>4 × 4.8 GT/s <a href="/facts/Intel_QuickPath_Interconnect/BUfedB2U">QPI</a></td><td>13×</td><td>4 × DDR3-1333</td><td>0.6–1.35 V</td><td>105 W</td><td><a href="/facts/LGA_1567/SEpFWW02">LGA 1567</a></td><td>April 3, 2011</td><td><ul><li>AT80615006438AB</li></ul></td><td>$774</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/53569.html">Xeon E7-4807</a></td><td><ul><li>SLC3L (A2)</li></ul></td><td>1.87 GHz</td><td>—</td><td>6</td><td>6× 256 KB</td><td>18 MB</td><td>4 × 4.8 GT/s QPI</td><td>14×</td><td>4 × DDR3-1333</td><td>0.6–1.35 V</td><td>95 W</td><td>LGA 1567</td><td>April 3, 2011</td><td><ul><li>AT80615006432AB</li></ul></td><td>$890</td></tr><tr><td colspan="17">Eight Core</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/53673.html">Xeon E7-2820</a></td><td><ul><li>SLC3R (A2)</li></ul></td><td>2 GHz</td><td>1/1/1/2</td><td>8</td><td>8× 256 KB</td><td>18 MB</td><td>4 × 5.86 GT/s QPI</td><td>15×</td><td>4 × DDR3-1333</td><td>0.6–1.35 V</td><td>105 W</td><td>LGA 1567</td><td>April 3, 2011</td><td><ul><li>AT80615007245AA</li></ul></td><td>$1334</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/53674.html">Xeon E7-2830</a></td><td><ul><li>SLC3J (A2)</li></ul></td><td>2.13 GHz</td><td>1/1/1/2</td><td>8</td><td>8× 256 KB</td><td>24 MB</td><td>4 × 6.4 GT/s QPI</td><td>16×</td><td>4 × DDR3-1333</td><td>0.6–1.35 V</td><td>105 W</td><td>LGA 1567</td><td>April 3, 2011</td><td><ul><li>AT80615005787AB</li></ul></td><td>$1779</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/53675.html">Xeon E7-4820</a></td><td><ul><li>SLC3G (A2)</li></ul></td><td>2 GHz</td><td>1/1/1/2</td><td>8</td><td>8× 256 KB</td><td>18 MB</td><td>4 × 5.86 GT/s QPI</td><td>15×</td><td>4 × DDR3-1333</td><td>0.6–1.35 V</td><td>105 W</td><td>LGA 1567</td><td>April 3, 2011</td><td><ul><li>AT80615005772AC</li></ul></td><td>$1446</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/53676.html">Xeon E7-4830</a></td><td><ul><li>SLC3Q (A2)</li></ul></td><td>2.13 GHz</td><td>1/1/1/2</td><td>8</td><td>8× 256 KB</td><td>24 MB</td><td>4 × 6.4 GT/s QPI</td><td>16×</td><td>4 × DDR3-1333</td><td>0.6–1.35 V</td><td>105 W</td><td>LGA 1567</td><td>April 3, 2011</td><td><ul><li>AT80615007089AA</li><li>BX80615E74830</li></ul></td><td>$2059</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/53677.html">Xeon E7-8830</a></td><td><ul><li>SLC3K (A2)</li></ul></td><td>2.13 GHz</td><td>1/1/1/2</td><td>8</td><td>8× 256 KB</td><td>24 MB</td><td>4 × 6.4 GT/s QPI</td><td>16×</td><td>4 × DDR3-1333</td><td>0.6–1.35 V</td><td>105 W</td><td>LGA 1567</td><td>April 3, 2011</td><td><ul><li>AT80615005826AB</li></ul></td><td>$2280</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/53576.html">Xeon E7-8837</a></td><td><ul><li>SLC3N (A2)</li></ul></td><td>2.67 GHz</td><td>1/1/1/1</td><td>8</td><td>8× 256 KB</td><td>24 MB</td><td>4 × 6.4 GT/s QPI</td><td>20×</td><td>4 × DDR3-1333</td><td>0.6–1.35 V</td><td>130 W</td><td>LGA 1567</td><td>April 3, 2011</td><td><ul><li>AT80615006750AB</li></ul></td><td>$2280</td></tr><tr><td colspan="17">Ten Core</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/53573.html">Xeon E7-2850</a></td><td><ul><li>SLC3W (A2)</li></ul></td><td>2 GHz</td><td>1/1/2/3/3</td><td>10</td><td>10× 256 KB</td><td>24 MB</td><td>4 × 6.4 GT/s QPI</td><td>15×</td><td>4 × DDR3-1333</td><td>0.6–1.35 V</td><td>130 W</td><td>LGA 1567</td><td>April 3, 2011</td><td><ul><li>AT80615007452AA</li></ul></td><td>$2558</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/53570.html">Xeon E7-2860</a></td><td><ul><li>SLC3H (A2)</li></ul></td><td>2.27 GHz</td><td>1/1/2/3/3</td><td>10</td><td>10× 256 KB</td><td>24 MB</td><td>4 × 6.4 GT/s QPI</td><td>17×</td><td>4 × DDR3-1333</td><td>0.6–1.35 V</td><td>130 W</td><td>LGA 1567</td><td>April 3, 2011</td><td><ul><li>AT80615005781AB</li></ul></td><td>$3670</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/53578.html">Xeon E7-2870</a></td><td><ul><li>SLC3U (A2)</li></ul></td><td>2.4 GHz</td><td>1/1/2/3/3</td><td>10</td><td>10× 256 KB</td><td>30 MB</td><td>4 × 6.4 GT/s QPI</td><td>18×</td><td>4 × DDR3-1333</td><td>0.6–1.35 V</td><td>130 W</td><td>LGA 1567</td><td>April 3, 2011</td><td><ul><li>AT80615007266AA</li></ul></td><td>$4227</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/53574.html">Xeon E7-4850</a></td><td><ul><li>SLC3V (A2)</li></ul></td><td>2 GHz</td><td>1/1/2/3/3</td><td>10</td><td>10× 256 KB</td><td>24 MB</td><td>4 × 6.4 GT/s QPI</td><td>15×</td><td>4 × DDR3-1333</td><td>0.6–1.35 V</td><td>130 W</td><td>LGA 1567</td><td>April 3, 2011</td><td><ul><li>AT80615007449AA</li></ul></td><td>$2837</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/53571.html">Xeon E7-4860</a></td><td><ul><li>SLC3S (A2)</li></ul></td><td>2.27 GHz</td><td>1/1/2/3/3</td><td>10</td><td>10× 256 KB</td><td>24 MB</td><td>4 × 6.4 GT/s QPI</td><td>17×</td><td>4 × DDR3-1333</td><td>0.6–1.35 V</td><td>130 W</td><td>LGA 1567</td><td>April 3, 2011</td><td><ul><li>AT80615007254AA</li></ul></td><td>$3838</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/53579.html">Xeon E7-4870</a></td><td><ul><li>SLC3T (A2)</li></ul></td><td>2.4 GHz</td><td>1/1/2/3/3</td><td>10</td><td>10× 256 KB</td><td>30 MB</td><td>4 × 6.4 GT/s QPI</td><td>18×</td><td>4 × DDR3-1333</td><td>0.6–1.35 V</td><td>130 W</td><td>LGA 1567</td><td>April 3, 2011</td><td><ul><li>AT80615007263AA</li><li>BX80615E74870</li></ul></td><td>$4394</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/53575.html">Xeon E7-8850</a></td><td><ul><li>SLC3D (A2)</li></ul></td><td>2 GHz</td><td>1/1/2/3/3</td><td>10</td><td>10× 256 KB</td><td>24 MB</td><td>4 × 6.4 GT/s QPI</td><td>15×</td><td>4 × DDR3-1333</td><td>0.6–1.35 V</td><td>130 W</td><td>LGA 1567</td><td>April 3, 2011</td><td><ul><li>AT80615007446AA</li></ul></td><td>$3059</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/53572.html">Xeon E7-8860</a></td><td><ul><li>SLC3F (A2)</li></ul></td><td>2.27 GHz</td><td>1/1/2/3/3</td><td>10</td><td>10× 256 KB</td><td>24 MB</td><td>4 × 6.4 GT/s QPI</td><td>17×</td><td>4 × DDR3-1333</td><td>0.6–1.35 V</td><td>130 W</td><td>LGA 1567</td><td>April 3, 2011</td><td><ul><li>AT80615005760AB</li></ul></td><td>$4061</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/53580.html">Xeon E7-8870</a></td><td><ul><li>SLC3E (A2)</li></ul></td><td>2.4 GHz</td><td>1/1/2/3/3</td><td>10</td><td>10× 256 KB</td><td>30 MB</td><td>4 × 6.4 GT/s QPI</td><td>18×</td><td>4 × DDR3-1333</td><td>0.6–1.35 V</td><td>130 W</td><td>LGA 1567</td><td>April 3, 2011</td><td><ul><li>AT80615005757AB</li></ul></td><td>$4616</td></tr><tr><td colspan="17">Ten Core, low power</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/53577.html">Xeon E7-8867L</a></td><td><ul><li>SLC3P (A2)</li></ul></td><td>2.13 GHz</td><td>1/1/2/3/3</td><td>10</td><td>10× 256 KB</td><td>30 MB</td><td>4 × 6.4 GT/s QPI</td><td>16×</td><td>4 × DDR3-1333</td><td>0.6–1.35 V</td><td>105 W</td><td>LGA 1567</td><td>April 3, 2011</td><td><ul><li>AT80615007002AB</li></ul></td><td>$4172</td></tr></tbody></table> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>"Intel CPU Vt-x EPT support". Intel® ARK (Product Specs). Retrieved 30 October 2014. <a href="http://ark.intel.com/Products/VirtualizationTechnology" target="_blank">http://ark.intel.com/Products/VirtualizationTechnology</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>"Intel CPU Vt-x EPT support". Intel® ARK (Product Specs). Retrieved 30 October 2014. <a href="http://ark.intel.com/Products/VirtualizationTechnology" target="_blank">http://ark.intel.com/Products/VirtualizationTechnology</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>"Intel® Xeon® 3400 5500 5600 Series Comparison Matrix". Archived from the original on 30 April 2015. Retrieved 30 October 2014. <a href="https://web.archive.org/web/20150430224523/http://www3.intel.com/cd/channel/reseller/asmo-na/eng/products/server/intelligentxeon/440781.htm" target="_blank">https://web.archive.org/web/20150430224523/http://www3.intel.com/cd/channel/reseller/asmo-na/eng/products/server/intelligentxeon/440781.htm</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>"Intel CPU Vt-x EPT support". Intel® ARK (Product Specs). Retrieved 30 October 2014. <a href="http://ark.intel.com/Products/VirtualizationTechnology" target="_blank">http://ark.intel.com/Products/VirtualizationTechnology</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> <li id="fn:5"><p>"Intel CPU Vt-x EPT support". Intel® ARK (Product Specs). Retrieved 30 October 2014. <a href="http://ark.intel.com/Products/VirtualizationTechnology" target="_blank">http://ark.intel.com/Products/VirtualizationTechnology</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li> <li id="fn:6"><p>"Intel CPU Vt-x EPT support". Intel® ARK (Product Specs). Retrieved 30 October 2014. <a href="http://ark.intel.com/Products/VirtualizationTechnology" target="_blank">http://ark.intel.com/Products/VirtualizationTechnology</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li> <li id="fn:7"><p>"Intel CPU Vt-x EPT support". Intel® ARK (Product Specs). 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