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Socket AM4
open-in-new
<h2 id="features">Features</h2> <ul><li>Support for <a href="/facts/Zen_(microarchitecture)/AjBvqDT7">Zen</a> (including <a href="/facts/Zen%252B/1bJfQtRR">Zen+</a>, <a href="/facts/Zen_2/pdL7I80c">Zen 2</a> and <a href="/facts/Zen_3/szGTAfyB">Zen 3</a>) based family of <a href="/facts/Central_processing_unit/Jxp1bqMV">CPUs</a> and <a href="/facts/AMD_Accelerated_Processing_Unit/hdApEUQw">APUs</a> (<a href="/facts/Ryzen/0hKNcAra">Ryzen</a>, <a href="/facts/Athlon/3BFQu05f">Athlon</a>), as well as for some A-Series APUs and <a href="/facts/Athlon_X4/SJXQKkR1">Athlon X4</a> CPUs (Bristol Ridge based on the <a href="/facts/Excavator_(microarchitecture)/Bzj9WKGV">Excavator</a> microarchitecture)</li> <li>Supports <a href="/facts/PCI_Express/ADhsLCUK">PCIe 3.0</a><a class="footnote-ref" id="fnref:12" href="#fn:12"><sup>12</sup></a> and <a href="/facts/PCI_Express/ADhsLCUK">PCIe 4.0</a><a class="footnote-ref" id="fnref:13" href="#fn:13"><sup>13</sup></a></li> <li>Supports up to 4 modules of <a href="/facts/DDR4_SDRAM/70r37baX">DDR4</a> <a href="/facts/Random_access_memory/DuD4bxh6">RAM</a> in <a href="/facts/Multi-channel_memory_architecture/2XQeG01g">dual-channel</a> configuration<a class="footnote-ref" id="fnref:14" href="#fn:14"><sup>14</sup></a></li></ul> <h2 id="heatsink">Heatsink</h2> <p>The AM4 socket specifies the 4 holes for fastening the heatsink to the motherboard to be placed in the corners of a rectangle with a lateral length of 54×90 mm. Previous sockets have 48×96 mm. </p><p>Some heat sinks for older sockets are not compatible.<a class="footnote-ref" id="fnref:15" href="#fn:15"><sup>15</sup></a><a class="footnote-ref" id="fnref:16" href="#fn:16"><sup>16</sup></a> Some cooler manufacturers, however, are reported to be offering brackets allowing previously manufactured coolers to work with AM4,<a class="footnote-ref" id="fnref:17" href="#fn:17"><sup>17</sup></a> while other coolers will be redesigned.<a class="footnote-ref" id="fnref:18" href="#fn:18"><sup>18</sup></a><a class="footnote-ref" id="fnref:19" href="#fn:19"><sup>19</sup></a> Alternatively, some motherboard makers are including both <a href="/facts/Socket_AM3/5xvKE4XM">AM3</a> and AM4 cooler mounting holes, allowing previous generation coolers to be used.<a class="footnote-ref" id="fnref:20" href="#fn:20"><sup>20</sup></a> AM4 coolers that use a two-pronged bracket approach (such as the AMD Wraith Prism) to mount the cooler will work with AM4 and all the way back to Socket 754/939. </p> <h2 id="chipsets">Chipsets</h2> <p>Socket AM4 is currently a base for 8 <a href="/facts/Chipset/0xU3kbVI">chipset</a> models. While the processors for this socket have been designed as <a href="/facts/System_in_a_package/Tqdpp6hq">systems in a package</a> (SiP), with the traditional <a href="/facts/Northbridge_(computing)/XFbfH4Kl">northbridge</a> and <a href="/facts/Southbridge_(computing)/K0bg0LSP">southbridge</a> on board the processor, the motherboard chipset will increase the number of <a href="/facts/PCI_Express/ADhsLCUK">PCI Express</a> lanes and other connectivity options. These connectivity options include: <a href="/facts/NVM_Express/Ye7N4elE">NVMe</a>, <a href="/facts/Serial_ATA/dW8yAMm8">SATA</a>, and <a href="/facts/USB_3.0/WTnYm1IS">USB 3.2 Gen 2</a>.<a class="footnote-ref" id="fnref:21" href="#fn:21"><sup>21</sup></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> There also exists chipset-less variations of A320 and X370, called A300 and X300 respectively, that rely solely on the I/O die integrated into the CPU; these platforms are designed solely for <a href="/facts/Small_form_factor_(desktop_and_motherboard)/HmzVBWJH">small form factor (SFF)</a> systems where there is a possibility that there is not enough space on the board to fit an actual chipset; these 'chipsets' are also solely available for OEM use only and are not available for purchase with SFF boards.<a class="footnote-ref" id="fnref:24" href="#fn:24"><sup>24</sup></a><a class="footnote-ref" id="fnref:25" href="#fn:25"><sup>25</sup></a><a class="footnote-ref" id="fnref:26" href="#fn:26"><sup>26</sup></a> </p> <table><tbody><tr><th rowspan="2">Model</th><th rowspan="2">Release date</th><th rowspan="2"><a href="/facts/PCI_Express/ADhsLCUK">PCIe</a> support<a class="footnote-ref" id="fnref:27" href="#fn:27"><sup>27</sup></a></th><th colspan="2">Multi-GPU</th><th rowspan="2"><a href="/facts/USB/XcIKWLyg">USB</a> support<a class="footnote-ref" id="fnref:28" href="#fn:28"><sup>28</sup></a></th><th colspan="3">Storage features</th><th rowspan="2">Processor<a href="/facts/Overclocking/wNpjgAFI">overclocking</a></th><th rowspan="2"><a href="/facts/Thermal_design_power/Idcy26tM">TDP</a></th><th colspan="5">CPU support</th><th rowspan="2">Architecture</th><th rowspan="2">Part number</th></tr><tr><th><a href="/facts/AMD_CrossFireX/g0kg9ur0">CrossFire</a></th><th><a href="/facts/Scalable_Link_Interface/AdEeMsh2">SLI</a></th><th><a href="/facts/Serial_ATA/dW8yAMm8">SATA</a> ports</th><th><a href="/facts/RAID/IpzWWgog">RAID</a></th><th><a href="https://www.amd.com/en/products/software/storemi.html">AMD StoreMI</a></th><th><a href="/facts/Excavator_(microarchitecture)/Bzj9WKGV">Excavator</a></th><th><a href="/facts/Zen_(first_generation_microarchitecture)/oChXIp3y">Zen</a></th><th><a href="/facts/Zen%252B/1bJfQtRR">Zen+</a></th><th><a href="/facts/Zen_2/pdL7I80c">Zen 2</a></th><th><a href="/facts/Zen_3/szGTAfyB">Zen 3</a></th></tr><tr><th>A300</th><td rowspan="2">Feb 2017</td><td rowspan="3">None</td><td rowspan="3" colspan="2">Untested</td><td rowspan="3">None</td><td rowspan="3">None</td><td rowspan="2">Yes<a class="footnote-ref" id="fnref:29" href="#fn:29"><sup>29</sup></a></td><td rowspan="2">No<a class="footnote-ref" id="fnref:30" href="#fn:30"><sup>30</sup></a></td><td>No</td><td rowspan="3">~120 μW<a class="footnote-ref" id="fnref:31" href="#fn:31"><sup>31</sup></a></td><td rowspan="3">No</td><td colspan="4">Yes<a class="footnote-ref" id="fnref:32" href="#fn:32"><sup>32</sup></a><a class="footnote-ref" id="fnref:33" href="#fn:33"><sup>33</sup></a></td><td rowspan="3">Knoll Express<a class="footnote-ref" id="fnref:34" href="#fn:34"><sup>34</sup></a></td><td rowspan="1">100-CG2978 218-0892000 KNOLL1</td></tr><tr><th>X300</th><td>Yes</td><td colspan="4">Yes<a class="footnote-ref" id="fnref:35" href="#fn:35"><sup>35</sup></a></td><td rowspan="1">unknown</td></tr><tr><th>Pro 500</th><td>Jan 2020<a class="footnote-ref" id="fnref:36" href="#fn:36"><sup>36</sup></a></td><td colspan="2">Unknown</td><td>No</td><td colspan="4">Partial<a class="footnote-ref" id="fnref:37" href="#fn:37"><sup>37</sup></a></td><td rowspan="1">218-0891003 unreleased</td></tr><tr><th>A320</th><td rowspan="3">Feb 2017<a class="footnote-ref" id="fnref:38" href="#fn:38"><sup>38</sup></a><a class="footnote-ref" id="fnref:39" href="#fn:39"><sup>39</sup></a></td><td>PCIe 2.0 ×4</td><td>No</td><td rowspan="2">No</td><td>1, 2, 6</td><td rowspan="2">4</td><td rowspan="8">0,1,10</td><td rowspan="3">No</td><td>Limited<a class="footnote-ref" id="fnref:40" href="#fn:40"><sup>40</sup></a></td><td rowspan="6">~5.8 W<a class="footnote-ref" id="fnref:41" href="#fn:41"><sup>41</sup></a></td><td rowspan="3">Yes</td><td rowspan="5">Yes</td><td rowspan="8">Yes</td><td rowspan="3" colspan="2">Varies<a class="footnote-ref" id="fnref:42" href="#fn:42"><sup>42</sup></a></td><td rowspan="7">Promontory</td><td rowspan="1">218-0891004</td></tr><tr><th>B350</th><td>PCIe 2.0 ×6</td><td rowspan="4">Yes</td><td>2, 2, 6</td><td rowspan="2">Yes</td><td rowspan="1">218-0891005</td></tr><tr><th>X370</th><td>PCIe 2.0 ×8</td><td>Yes</td><td>2, 6, 6</td><td>8</td><td rowspan="1">218-0891006</td></tr><tr><th>B450</th><td rowspan="2">Mar 2018<a class="footnote-ref" id="fnref:43" href="#fn:43"><sup>43</sup></a></td><td>PCIe 2.0 ×6</td><td>No</td><td>2, 2, 6</td><td>4</td><td rowspan="5">Yes</td><td rowspan="2">Yes,with PBO</td><td rowspan="4">Varies<a class="footnote-ref" id="fnref:44" href="#fn:44"><sup>44</sup></a></td><td rowspan="5">Yes</td><td rowspan="4">Varies<a class="footnote-ref" id="fnref:45" href="#fn:45"><sup>45</sup></a><a class="footnote-ref" id="fnref:46" href="#fn:46"><sup>46</sup></a></td><td rowspan="1">218-0891011</td></tr><tr><th>X470</th><td>PCIe 2.0 ×8</td><td>Yes</td><td>2, 6, 6</td><td>8</td><td rowspan="1">218-0891008</td></tr><tr><th>A520</th><td>Aug 2020<a class="footnote-ref" id="fnref:47" href="#fn:47"><sup>47</sup></a></td><td>PCIe 3.0 ×6</td><td colspan="2">No</td><td>1, 2, 6</td><td>4</td><td>No</td><td rowspan="2">Varies</td><td rowspan="1">218-0891015</td></tr><tr><th>B550<a class="footnote-ref" id="fnref:48" href="#fn:48"><sup>48</sup></a></th><td>Jun 2020<a class="footnote-ref" id="fnref:49" href="#fn:49"><sup>49</sup></a><a class="footnote-ref" id="fnref:50" href="#fn:50"><sup>50</sup></a></td><td>PCIe 3.0 ×10</td><td rowspan="2">Yes</td><td>Varies</td><td>2, 2, 6</td><td>6</td><td rowspan="2">Yes,with PBO</td><td>~7W</td><td rowspan="1">218-0891014 - b550, 218-0891009 - B550A</td></tr><tr><th>X570</th><td>Jul 2019<a class="footnote-ref" id="fnref:51" href="#fn:51"><sup>51</sup></a><a class="footnote-ref" id="fnref:52" href="#fn:52"><sup>52</sup></a></td><td>PCIe 4.0 ×16</td><td>Yes</td><td>8, 0, 4</td><td>12</td><td>~15 W<a class="footnote-ref" id="fnref:53" href="#fn:53"><sup>53</sup></a><a class="footnote-ref" id="fnref:54" href="#fn:54"><sup>54</sup></a><a class="footnote-ref" id="fnref:55" href="#fn:55"><sup>55</sup></a></td><td>No</td><td>Yes</td><td>Yes</td><td>Bixby</td><td rowspan="1">100-CG3091</td></tr></tbody></table> <ul><li>v</li><li>t</li><li>e</li></ul> <h2 id="compatibility">Compatibility</h2> <p>In 2020, AMD faced some criticism when it was announced on May 7 that its <a href="/facts/Zen_3/szGTAfyB">Zen 3</a>-based Ryzen 5000 microprocessors would only be compatible with newer 500-series chipset AM4 motherboards.<a class="footnote-ref" id="fnref:56" href="#fn:56"><sup>56</sup></a><a class="footnote-ref" id="fnref:57" href="#fn:57"><sup>57</sup></a><a class="footnote-ref" id="fnref:58" href="#fn:58"><sup>58</sup></a> This was explained as motherboard BIOS's sizes not being large enough to support the full range of AM4 socket processors.<a class="footnote-ref" id="fnref:59" href="#fn:59"><sup>59</sup></a><a class="footnote-ref" id="fnref:60" href="#fn:60"><sup>60</sup></a> This had upset some of the user base as, described by <i>AnandTech</i>, they "...had assumed that this meant any AM4 platform based motherboard would be able to accept all processor made from 2016 to 2020, including the new Zen 3...".<a class="footnote-ref" id="fnref:61" href="#fn:61"><sup>61</sup></a> After the announcement some motherboard manufacturers announced they were planning to add in support for Zen 3 processors via BIOS updates.<a class="footnote-ref" id="fnref:62" href="#fn:62"><sup>62</sup></a><a class="footnote-ref" id="fnref:63" href="#fn:63"><sup>63</sup></a> </p><p>On 19 May 2020, however, AMD changed its position and stated that Zen 3 would be coming to selected older X470 and B450 motherboards via a BIOS update.<a class="footnote-ref" id="fnref:64" href="#fn:64"><sup>64</sup></a> This would be achieved by disabling support for some older AM4 processors in the BIOS ROM in order to allocate space to support the newer processors.<a class="footnote-ref" id="fnref:65" href="#fn:65"><sup>65</sup></a><a class="footnote-ref" id="fnref:66" href="#fn:66"><sup>66</sup></a><a class="footnote-ref" id="fnref:67" href="#fn:67"><sup>67</sup></a> </p><p>On 12 November 2021, according to <i>TechPowerUp</i>, ASUS and Gigabyte were the few vendors that allowed Ryzen 5000 on A320 motherboard, and according to <i>Tom's Hardware</i>, it was done by removing support for AMD's 7th Generation A-series and Athlon X4 series (Bristol Ridge) processors.<a class="footnote-ref" id="fnref:68" href="#fn:68"><sup>68</sup></a><a class="footnote-ref" id="fnref:69" href="#fn:69"><sup>69</sup></a> AMD later officially expanded Ryzen 5000 support to 300-series motherboards in March 2022.<a class="footnote-ref" id="fnref:70" href="#fn:70"><sup>70</sup></a><a class="footnote-ref" id="fnref:71" href="#fn:71"><sup>71</sup></a> </p> <h2 id="see-also">See also</h2> <ul><li><a href="/facts/Socket_AM5/x4zuI5Ck">Socket AM5</a></li> <li><a href="/facts/Socket_TR4/ETTnjzH3">Socket TR4</a></li> <li><a href="/facts/Socket_sTRX4/hsgLh0Y6">Socket sTRX4</a></li></ul> <h2 id="external-links">External links</h2> Wikimedia Commons has media related to Socket AM4. <h2 id="references">References</h2> <ol> <li id="fn:1"><p>Tyson, Mark (September 5, 2016). "7th Generation AMD A-Series desktop PC systems start to ship". Hexus. Retrieved September 5, 2016. <a href="http://hexus.net/tech/news/cpu/96565-7th-generation-amd-a-series-desktop-pc-systems-start-ship/" target="_blank">http://hexus.net/tech/news/cpu/96565-7th-generation-amd-a-series-desktop-pc-systems-start-ship/</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>Ung, Gordon (September 5, 2016). "AMD's new Bristol Ridge processor is faster and more power efficient". PCWorld. Retrieved September 5, 2016. <a href="http://www.pcworld.com/article/3115764/hardware/amds-new-bristol-ridge-processor-is-faster-and-more-power-efficient.html" target="_blank">http://www.pcworld.com/article/3115764/hardware/amds-new-bristol-ridge-processor-is-faster-and-more-power-efficient.html</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>Smith, Ryan (May 6, 2015). "AMD's 2016-2017 x86 Roadmap: Zen Is In, Skybridge Is Out". AnandTech. Retrieved June 19, 2015. <a href="http://www.anandtech.com/show/9231/amds-20162017-x86-roadmap-zen-is-in" target="_blank">http://www.anandtech.com/show/9231/amds-20162017-x86-roadmap-zen-is-in</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>Mujtaba, Hassan (May 7, 2015). "AMD Confirms x86 Zen Based Enthusiast FX CPUs and 7th Generation APUs in 2016 - Compatible With AM4 Socket". Wccftech. Retrieved September 16, 2016. <a href="http://wccftech.com/amd-confirms-x86-zen-based-enthsiuast-fx-cpus-7th-generation-apus-2016-compatible-am4-socket/" target="_blank">http://wccftech.com/amd-confirms-x86-zen-based-enthsiuast-fx-cpus-7th-generation-apus-2016-compatible-am4-socket/</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> <li id="fn:5"><p>Bright, Peter (March 2, 2017). "AMD's moment of Zen: Finally, an architecture that can compete". Ars Technica. Retrieved May 18, 2020. <a href="https://arstechnica.com/gadgets/2017/03/amds-moment-of-zen-finally-an-architecture-that-can-compete/4/" target="_blank">https://arstechnica.com/gadgets/2017/03/amds-moment-of-zen-finally-an-architecture-that-can-compete/4/</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li> <li id="fn:6"><p>Leather, Antony (March 9, 2018). "More AMD CPU Leaks Revealed: Ryzen 2nd Gen Details Plus AM4 And TR4 Socket Life Confirmed?". Forbes. Retrieved May 18, 2020. <a href="https://www.forbes.com/sites/antonyleather/2018/03/09/more-amd-cpu-leaks-revealed-ryzen-2nd-gen-details-plus-am4-and-tr4-socket-life-confirmed/" target="_blank">https://www.forbes.com/sites/antonyleather/2018/03/09/more-amd-cpu-leaks-revealed-ryzen-2nd-gen-details-plus-am4-and-tr4-socket-life-confirmed/</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li> <li id="fn:7"><p>Campbell, Mark (April 21, 2018). "AMD reaffirms commitment to AM4 socket until 2020". Overclock3D. Retrieved May 19, 2020. <a href="https://www.overclock3d.net/news/cpu_mainboard/amd_reaffirms_commitment_to_am4_socket_until_2020/1" target="_blank">https://www.overclock3d.net/news/cpu_mainboard/amd_reaffirms_commitment_to_am4_socket_until_2020/1</a> <a href="#fnref:7" class="footnote-back-ref">↩</a></p></li> <li id="fn:8"><p>"AMD Ryzen 5 5600X3D Review". PCMAG. Retrieved 2024-01-08. <a href="https://www.pcmag.com/reviews/amd-ryzen-5-5600x3d" target="_blank">https://www.pcmag.com/reviews/amd-ryzen-5-5600x3d</a> <a href="#fnref:8" class="footnote-back-ref">↩</a></p></li> <li id="fn:9"><p>Cunningham, Andrew (2024-01-08). "AMD releases even more Ryzen 5000 CPUs, keeps its last-gen AM4 platform alive". Ars Technica. Retrieved 2024-01-08. <a href="https://arstechnica.com/gadgets/2024/01/amd-releases-even-more-ryzen-5000-cpus-keeps-its-last-gen-am4-platform-alive/" target="_blank">https://arstechnica.com/gadgets/2024/01/amd-releases-even-more-ryzen-5000-cpus-keeps-its-last-gen-am4-platform-alive/</a> <a href="#fnref:9" class="footnote-back-ref">↩</a></p></li> <li id="fn:10"><p>Bonshor, Gavin. "AMD Announces New Desktop Zen 3 Chips With 2 New APUs and the Ryzen 7 5700X3D". www.anandtech.com. Retrieved 2024-01-08. <a href="https://www.anandtech.com/show/21209/amd-announces-new-zen-3-chips-with-2-new-apus-and-the-ryzen-7-5700x3d" target="_blank">https://www.anandtech.com/show/21209/amd-announces-new-zen-3-chips-with-2-new-apus-and-the-ryzen-7-5700x3d</a> <a href="#fnref:10" class="footnote-back-ref">↩</a></p></li> <li id="fn:11"><p>Crider, Michael. "AMD talks AM5 APUs and AM4 longevity". PCWorld. Retrieved 2024-01-23. <a href="https://www.pcworld.com/article/2212653/amd-talks-am5-apus-and-am4-longevity.html" target="_blank">https://www.pcworld.com/article/2212653/amd-talks-am5-apus-and-am4-longevity.html</a> <a href="#fnref:11" class="footnote-back-ref">↩</a></p></li> <li id="fn:12"><p>Moammer, Khalid (September 16, 2016). "AMD Zen CPU & AM4 Socket Pictured – PGA Design With 1331 Pins Confirmed". Wccftech. Retrieved September 16, 2016. <a href="http://wccftech.com/amd-am4-socket-zen-bristol-bridge-soc-package-pictured/" target="_blank">http://wccftech.com/amd-am4-socket-zen-bristol-bridge-soc-package-pictured/</a> <a href="#fnref:12" class="footnote-back-ref">↩</a></p></li> <li id="fn:13"><p>Maiorino, Erin (May 26, 2019). "The Industry Leading AMD AM4 X570 Chipset". AMD. Retrieved June 10, 2019. <a href="https://community.amd.com/community/gaming/blog/2019/05/26/the-industry-leading-amd-am4-x570-chipset" target="_blank">https://community.amd.com/community/gaming/blog/2019/05/26/the-industry-leading-amd-am4-x570-chipset</a> <a href="#fnref:13" class="footnote-back-ref">↩</a></p></li> <li id="fn:14"><p>Moammer, Khalid (September 16, 2016). "AMD Zen CPU & AM4 Socket Pictured – PGA Design With 1331 Pins Confirmed". Wccftech. Retrieved September 16, 2016. <a href="http://wccftech.com/amd-am4-socket-zen-bristol-bridge-soc-package-pictured/" target="_blank">http://wccftech.com/amd-am4-socket-zen-bristol-bridge-soc-package-pictured/</a> <a href="#fnref:14" class="footnote-back-ref">↩</a></p></li> <li id="fn:15"><p>Peak, Sebastian (September 19, 2016). "AMD's Upcoming Socket AM4 Pictured with 1331 Pins". PC Perspective. Retrieved September 21, 2016. <a href="https://www.pcper.com/news/Processors/AMDs-Upcoming-Socket-AM4-Pictured-1331-Pins" target="_blank">https://www.pcper.com/news/Processors/AMDs-Upcoming-Socket-AM4-Pictured-1331-Pins</a> <a href="#fnref:15" class="footnote-back-ref">↩</a></p></li> <li id="fn:16"><p>Peak, Sebastian (May 25, 2016). "Report: AMD Socket AM4 Compatible with Existing AM2/AM3 Coolers". PC Perspective. Retrieved November 10, 2022. <a href="https://www.pcper.com/news/Cases-and-Cooling/Report-AMD-Socket-AM4-Compatible-Existing-AM2AM3-Coolers" target="_blank">https://www.pcper.com/news/Cases-and-Cooling/Report-AMD-Socket-AM4-Compatible-Existing-AM2AM3-Coolers</a> <a href="#fnref:16" class="footnote-back-ref">↩</a></p></li> <li id="fn:17"><p>Killian, Zak (January 25, 2017). "CPU heatsink makers ready up Socket AM4 mounting kits". Tech Report. Retrieved 25 January 2017. <a href="https://techreport.com/news/31329/cpu-heatsink-makers-ready-up-socket-am4-mounting-kits" target="_blank">https://techreport.com/news/31329/cpu-heatsink-makers-ready-up-socket-am4-mounting-kits</a> <a href="#fnref:17" class="footnote-back-ref">↩</a></p></li> <li id="fn:18"><p>Chacos, Brad (January 4, 2016). "AMD reveals an army of Ryzen PCs and AM4 motherboards". PCWorld. Retrieved January 10, 2017. <a href="http://www.pcworld.com/article/3154720/computers/amd-reveals-an-army-of-ryzen-pcs-and-am4-motherboards.html" target="_blank">http://www.pcworld.com/article/3154720/computers/amd-reveals-an-army-of-ryzen-pcs-and-am4-motherboards.html</a> <a href="#fnref:18" class="footnote-back-ref">↩</a></p></li> <li id="fn:19"><p>Walrath, Josh (January 7, 2016). "AMD Details AM4 Chipsets and Upcoming Motherboards". PC Perspective. Retrieved 10 January 2017. <a href="https://www.pcper.com/reviews/Motherboards/AMD-Details-AM4-Chipsets-and-Upcoming-Motherboards" target="_blank">https://www.pcper.com/reviews/Motherboards/AMD-Details-AM4-Chipsets-and-Upcoming-Motherboards</a> <a href="#fnref:19" class="footnote-back-ref">↩</a></p></li> <li id="fn:20"><p>Cutress, Ian (March 2, 2017). "The AMD Zen and Ryzen 7 Review". AnandTech. Retrieved March 2, 2017. <a href="http://www.anandtech.com/show/11170/the-amd-zen-and-ryzen-7-review-a-deep-dive-on-1800x-1700x-and-1700" target="_blank">http://www.anandtech.com/show/11170/the-amd-zen-and-ryzen-7-review-a-deep-dive-on-1800x-1700x-and-1700</a> <a href="#fnref:20" class="footnote-back-ref">↩</a></p></li> <li id="fn:21"><p>Ung, Gordon (September 5, 2016). "AMD's new Bristol Ridge processor is faster and more power efficient". PCWorld. Retrieved September 5, 2016. <a href="http://www.pcworld.com/article/3115764/hardware/amds-new-bristol-ridge-processor-is-faster-and-more-power-efficient.html" target="_blank">http://www.pcworld.com/article/3115764/hardware/amds-new-bristol-ridge-processor-is-faster-and-more-power-efficient.html</a> <a href="#fnref:21" class="footnote-back-ref">↩</a></p></li> <li id="fn:22"><p>Walrath, Josh (January 7, 2016). "AMD Details AM4 Chipsets and Upcoming Motherboards". PC Perspective. Retrieved 10 January 2017. <a href="https://www.pcper.com/reviews/Motherboards/AMD-Details-AM4-Chipsets-and-Upcoming-Motherboards" target="_blank">https://www.pcper.com/reviews/Motherboards/AMD-Details-AM4-Chipsets-and-Upcoming-Motherboards</a> <a href="#fnref:22" class="footnote-back-ref">↩</a></p></li> <li id="fn:23"><p>Cutress, Ian (December 13, 2016). "AMD Gives More Zen Details". AnandTech. Retrieved 13 December 2016. <a href="http://www.anandtech.com/show/10907/amd-gives-more-zen-details-ryzen-34-ghz-nvme-neural-net-prediction-25-mhz-boost-steps" target="_blank">http://www.anandtech.com/show/10907/amd-gives-more-zen-details-ryzen-34-ghz-nvme-neural-net-prediction-25-mhz-boost-steps</a> <a href="#fnref:23" class="footnote-back-ref">↩</a></p></li> <li id="fn:24"><p>Ung, Gordon (September 5, 2016). "AMD's new Bristol Ridge processor is faster and more power efficient". PCWorld. Retrieved September 5, 2016. <a href="http://www.pcworld.com/article/3115764/hardware/amds-new-bristol-ridge-processor-is-faster-and-more-power-efficient.html" target="_blank">http://www.pcworld.com/article/3115764/hardware/amds-new-bristol-ridge-processor-is-faster-and-more-power-efficient.html</a> <a href="#fnref:24" class="footnote-back-ref">↩</a></p></li> <li id="fn:25"><p>Walrath, Josh (January 7, 2016). "AMD Details AM4 Chipsets and Upcoming Motherboards". PC Perspective. Retrieved 10 January 2017. <a href="https://www.pcper.com/reviews/Motherboards/AMD-Details-AM4-Chipsets-and-Upcoming-Motherboards" target="_blank">https://www.pcper.com/reviews/Motherboards/AMD-Details-AM4-Chipsets-and-Upcoming-Motherboards</a> <a href="#fnref:25" class="footnote-back-ref">↩</a></p></li> <li id="fn:26"><p>"Socket AM4 Chipset". AMD. Archived from the original on 2023-01-07. Retrieved March 3, 2023. <a href="https://www.amd.com/en/products/chipsets-am4" target="_blank">https://www.amd.com/en/products/chipsets-am4</a> <a href="#fnref:26" class="footnote-back-ref">↩</a></p></li> <li id="fn:27"><p>PCIe lanes provided by the chipset. The CPU provides other PCIe 3.0 or 4.0 lanes. <a href="#fnref:27" class="footnote-back-ref">↩</a></p></li> <li id="fn:28"><p>USB 3.2 Gen 2x1, USB 3.2 Gen 1x1, USB 2.0 <a href="#fnref:28" class="footnote-back-ref">↩</a></p></li> <li id="fn:29"><p>"DeskMini A300 Series". ASRock. Retrieved 26 January 2023. <a href="https://www.asrock.com/nettop/AMD/DeskMini%20A300%20Series/" target="_blank">https://www.asrock.com/nettop/AMD/DeskMini%20A300%20Series/</a> <a href="#fnref:29" class="footnote-back-ref">↩</a></p></li> <li id="fn:30"><p>T S, Ganesh. "The ASRock DeskMini A300 Review: An Affordable DIY AMD Ryzen mini-PC". AnandTech. Retrieved 26 January 2023. <a href="https://www.anandtech.com/show/14251/asrock-deskmini-a300-review-an-affordable-diy-amd-ryzen-minipc" target="_blank">https://www.anandtech.com/show/14251/asrock-deskmini-a300-review-an-affordable-diy-amd-ryzen-minipc</a> <a href="#fnref:30" class="footnote-back-ref">↩</a></p></li> <li id="fn:31"><p>Knoll chipsets consume "insignificant power ...after [boot] in sleep mode", power figure based on a typical SPI controller <a href="#fnref:31" class="footnote-back-ref">↩</a></p></li> <li id="fn:32"><p>"LIVA One A300 CPU Support". ECS ELITEGROUP. Retrieved 26 January 2023. <a href="https://www.ecs.com.tw/en/Product/LIVA/LIVA_One_A300/support" target="_blank">https://www.ecs.com.tw/en/Product/LIVA/LIVA_One_A300/support</a> <a href="#fnref:32" class="footnote-back-ref">↩</a></p></li> <li id="fn:33"><p>Mileschin, Stefan. "ECS LIVA One A300 Barebone Review". Madshrimps. <a href="http://www.madshrimps.be/articles/article/1001359/ECS-LIVA-One-A300-Barebone-Review/" target="_blank">http://www.madshrimps.be/articles/article/1001359/ECS-LIVA-One-A300-Barebone-Review/</a> <a href="#fnref:33" class="footnote-back-ref">↩</a></p></li> <li id="fn:34"><p>"A300AM4-TI5(1.1) Specification". ECS ELITEGROUP. Retrieved 26 January 2023. <a href="https://www.ecs.com.tw/en/Product/Motherboard/A300AM4-TI5/specification" target="_blank">https://www.ecs.com.tw/en/Product/Motherboard/A300AM4-TI5/specification</a> <a href="#fnref:34" class="footnote-back-ref">↩</a></p></li> <li id="fn:35"><p>"ASRock DeskMini X300 Series CPU Support List". ASRock. Retrieved 26 January 2023. <a href="https://www.asrock.com/nettop/AMD/DeskMini%20X300%20Series/index.asp#CPU" target="_blank">https://www.asrock.com/nettop/AMD/DeskMini%20X300%20Series/index.asp#CPU</a> <a href="#fnref:35" class="footnote-back-ref">↩</a></p></li> <li id="fn:36"><p>Solca, Bogdan. "AMD extends mini PC support with new AM4 Pro 500-series chipset for budget builds". NotebookCheck. Retrieved 28 January 2023. <a href="https://www.notebookcheck.net/AMD-extends-mini-PC-support-with-new-AM4-Pro-500-series-chipset-for-budget-builds.452354.0.html" target="_blank">https://www.notebookcheck.net/AMD-extends-mini-PC-support-with-new-AM4-Pro-500-series-chipset-for-budget-builds.452354.0.html</a> <a href="#fnref:36" class="footnote-back-ref">↩</a></p></li> <li id="fn:37"><p>Limited to specific SKUs branded as Ryzen Pro and Athlon Pro <a href="#fnref:37" class="footnote-back-ref">↩</a></p></li> <li id="fn:38"><p>Khalid Moammer (2017-02-13). "AMD Ryzen X370 & B350 ASUS Motherboards Leaked – Launching February 24th". WCCF Tech. Retrieved 2019-07-10. <a href="https://wccftech.com/amd-ryzen-am4-asus-motherboard-prices-leaked/" target="_blank">https://wccftech.com/amd-ryzen-am4-asus-motherboard-prices-leaked/</a> <a href="#fnref:38" class="footnote-back-ref">↩</a></p></li> <li id="fn:39"><p>Paul Lilly (2017-01-05). "AMD Announces X300 And X370 AM4 Motherboards For Ryzen Processors, All Chips Unlocked". HotHardware. Retrieved 2023-01-26. <a href="https://hothardware.com/news/amd-announces-x300-and-x370-am4-motherboards-for-ryzen/" target="_blank">https://hothardware.com/news/amd-announces-x300-and-x370-am4-motherboards-for-ryzen/</a> <a href="#fnref:39" class="footnote-back-ref">↩</a></p></li> <li id="fn:40"><p>Only pre-Zen CPUs can be overclocked. <a href="#fnref:40" class="footnote-back-ref">↩</a></p></li> <li id="fn:41"><p>Ian Cutress (2016-09-23). "The Two Main Chipsets: B350 and A320". AnandTech. Retrieved 2019-06-15. <a href="https://www.anandtech.com/show/10705/amd-7th-gen-bristol-ridge-and-am4-analysis-a12-9800-b350-a320-chipset/5" target="_blank">https://www.anandtech.com/show/10705/amd-7th-gen-bristol-ridge-and-am4-analysis-a12-9800-b350-a320-chipset/5</a> <a href="#fnref:41" class="footnote-back-ref">↩</a></p></li> <li id="fn:42"><p>BIOS update needed. Availability may depend on manufacturer. <a href="#fnref:42" class="footnote-back-ref">↩</a></p></li> <li id="fn:43"><p>Jacob Ridley (2018-01-05). "AMD's 12nm Ryzen 2 expected to launch in March alongside X470 and B450 chipsets". PCGamesN. Retrieved 2019-07-10. <a href="https://www.pcgamesn.com/amd-ryzen-2-march-launch" target="_blank">https://www.pcgamesn.com/amd-ryzen-2-march-launch</a> <a href="#fnref:43" class="footnote-back-ref">↩</a></p></li> <li id="fn:44"><p>Beta BIOS updates may be made available by motherboard manufacturers. <a href="#fnref:44" class="footnote-back-ref">↩</a></p></li> <li id="fn:45"><p>Beta BIOS updates may be made available by motherboard manufacturers. <a href="#fnref:45" class="footnote-back-ref">↩</a></p></li> <li id="fn:46"><p>"AMD Reverses Course, Will Enable Zen 3 and Ryzen 4000 Support on B450 and X470 Motherboards". Tom's Hardware. Retrieved 19 May 2020. <a href="https://www.tomshardware.com/news/amd-reverses-course-will-enable-zen-3-support-on-b450-and-x470-motherboards" target="_blank">https://www.tomshardware.com/news/amd-reverses-course-will-enable-zen-3-support-on-b450-and-x470-motherboards</a> <a href="#fnref:46" class="footnote-back-ref">↩</a></p></li> <li id="fn:47"><p>"ASRock Follows ASUS, Registers 12 AMD A520 Motherboards for Ryzen 4000 Chips". Hardwaretimes. 2020-06-06. Retrieved 2020-08-18. <a href="https://www.hardwaretimes.com/asrock-follows-asus-registers-12-amd-b520-motherboards-for-ryzen-4000-chips" target="_blank">https://www.hardwaretimes.com/asrock-follows-asus-registers-12-amd-b520-motherboards-for-ryzen-4000-chips</a> <a href="#fnref:47" class="footnote-back-ref">↩</a></p></li> <li id="fn:48"><p>OEM-only B550A is a rebranded B450 <a href="#fnref:48" class="footnote-back-ref">↩</a></p></li> <li id="fn:49"><p>"AMD Expands 3rd Gen AMD Ryzen™ Desktop Processor Family, Unleashing Powerful "Zen 2" Core For The Mainstream". AMD. 2020-04-21. Retrieved 2020-05-25. <a href="https://www.amd.com/en/press-releases/2020-04-21-amd-expands-3rd-gen-amd-ryzen-desktop-processor-family-unleashing" target="_blank">https://www.amd.com/en/press-releases/2020-04-21-amd-expands-3rd-gen-amd-ryzen-desktop-processor-family-unleashing</a> <a href="#fnref:49" class="footnote-back-ref">↩</a></p></li> <li id="fn:50"><p>"AMD Chipset Comparison: B550 Specs vs. X570, B450, X370, & Zen 3 Support (2020)". GamersNexus. Retrieved 8 October 2020. <a href="https://www.gamersnexus.net/guides/3582-amd-chipset-differences-b550-vs-x570-b450-x470-zen-3" target="_blank">https://www.gamersnexus.net/guides/3582-amd-chipset-differences-b550-vs-x570-b450-x470-zen-3</a> <a href="#fnref:50" class="footnote-back-ref">↩</a></p></li> <li id="fn:51"><p>CrimsonRayne (2018-12-01). "AMD X570 Launches at Computex & Supports PCIE 4.0 | Ryzen 3000 Series Launch Date Leaked?". redgamingtech. Retrieved 2019-07-10. the X570 platform is targeting a release of Computex 2019, which takes place between May 28th and June 1st. <a href="http://www.redgamingtech.com/amd-x570-launches-at-computex-supports-pcie-4-0-ryzen-3000-series-launch-date-leaked/" target="_blank">http://www.redgamingtech.com/amd-x570-launches-at-computex-supports-pcie-4-0-ryzen-3000-series-launch-date-leaked/</a> <a href="#fnref:51" class="footnote-back-ref">↩</a></p></li> <li id="fn:52"><p>Hassan Mujtaba (2019-05-27). "AMD X570 Motherboard Roundup – Featuring X570 AORUS Xtreme, ASRock X570 Taichi, MSI MEG X570 GODLIKE, ASUS Crosshair VIII HERO & More". wccftech. Retrieved 2019-07-10. slide <a href="https://wccftech.com/amd-x570-motherboard-roundup-aorus-asus-asrock-msi-colorful-biostar/" target="_blank">https://wccftech.com/amd-x570-motherboard-roundup-aorus-asus-asrock-msi-colorful-biostar/</a> <a href="#fnref:52" class="footnote-back-ref">↩</a></p></li> <li id="fn:53"><p>Gavin Bonshor (2019-05-26). "AMD Reveals the X570 Chipset: PCIe 4.0 is Here". AnandTech. Retrieved 2020-08-19. One of the caveats to a more powerful chipset is that it draws around 11 W of power. <a href="https://www.anandtech.com/show/14406/amd-reveals-the-x570-chipset-pcie-4-is-here" target="_blank">https://www.anandtech.com/show/14406/amd-reveals-the-x570-chipset-pcie-4-is-here</a> <a href="#fnref:53" class="footnote-back-ref">↩</a></p></li> <li id="fn:54"><p>"AMD X570 Unofficial Platform Diagram Revealed, Chipset Puts out PCIe Gen 4". TechPowerUp. 2019-05-20. Retrieved 2020-08-19. The source also mentions the TDP of the AMD X570 chipset to be at least 15 Watts, a 3-fold increase over the X470 with its 5W TDP. <a href="https://www.techpowerup.com/255729/amd-x570-unofficial-platform-diagram-revealed-chipset-puts-out-pcie-gen-4" target="_blank">https://www.techpowerup.com/255729/amd-x570-unofficial-platform-diagram-revealed-chipset-puts-out-pcie-gen-4</a> <a href="#fnref:54" class="footnote-back-ref">↩</a></p></li> <li id="fn:55"><p>7 watts on passive cooling (termed X570s). <a href="#fnref:55" class="footnote-back-ref">↩</a></p></li> <li id="fn:56"><p>Mujtaba, Hassan (May 7, 2020). "AMD Ryzen 4000 'Zen 3' CPUs Compatible With X570 & B550 Chipset". Wccftech. Retrieved May 18, 2020. <a href="https://wccftech.com/amd-confirms-ryzen-4000-zen-3-cpu-compatibility-x570-b550-chipset-motherboards/" target="_blank">https://wccftech.com/amd-confirms-ryzen-4000-zen-3-cpu-compatibility-x570-b550-chipset-motherboards/</a> <a href="#fnref:56" class="footnote-back-ref">↩</a></p></li> <li id="fn:57"><p>Hallock, Robert (May 7, 2020). "The Exciting Future of AMD Socket AM4 | Community". AMD. Retrieved 19 May 2020. <a href="https://community.amd.com/community/gaming/blog/2020/05/07/the-exciting-future-of-amd-socket-am4" target="_blank">https://community.amd.com/community/gaming/blog/2020/05/07/the-exciting-future-of-amd-socket-am4</a> <a href="#fnref:57" class="footnote-back-ref">↩</a></p></li> <li id="fn:58"><p>Cutress, Ian (May 19, 2020). "AMD to Support Zen 3 and Ryzen 4000 CPUs on B450 and X470 Motherboards". AnandTech. Retrieved May 19, 2020. <a href="https://www.anandtech.com/show/15807/amd-to-support-zen-3-and-ryzen-4000-cpus-on-b450-and-x470-motherboards" target="_blank">https://www.anandtech.com/show/15807/amd-to-support-zen-3-and-ryzen-4000-cpus-on-b450-and-x470-motherboards</a> <a href="#fnref:58" class="footnote-back-ref">↩</a></p></li> <li id="fn:59"><p>Mujtaba, Hassan (May 7, 2020). "AMD Ryzen 4000 'Zen 3' CPUs Compatible With X570 & B550 Chipset". Wccftech. Retrieved May 18, 2020. <a href="https://wccftech.com/amd-confirms-ryzen-4000-zen-3-cpu-compatibility-x570-b550-chipset-motherboards/" target="_blank">https://wccftech.com/amd-confirms-ryzen-4000-zen-3-cpu-compatibility-x570-b550-chipset-motherboards/</a> <a href="#fnref:59" class="footnote-back-ref">↩</a></p></li> <li id="fn:60"><p>Cutress, Ian (May 19, 2020). "AMD to Support Zen 3 and Ryzen 4000 CPUs on B450 and X470 Motherboards". AnandTech. Retrieved May 19, 2020. <a href="https://www.anandtech.com/show/15807/amd-to-support-zen-3-and-ryzen-4000-cpus-on-b450-and-x470-motherboards" target="_blank">https://www.anandtech.com/show/15807/amd-to-support-zen-3-and-ryzen-4000-cpus-on-b450-and-x470-motherboards</a> <a href="#fnref:60" class="footnote-back-ref">↩</a></p></li> <li id="fn:61"><p>Cutress, Ian (May 19, 2020). "AMD to Support Zen 3 and Ryzen 4000 CPUs on B450 and X470 Motherboards". AnandTech. Retrieved May 19, 2020. <a href="https://www.anandtech.com/show/15807/amd-to-support-zen-3-and-ryzen-4000-cpus-on-b450-and-x470-motherboards" target="_blank">https://www.anandtech.com/show/15807/amd-to-support-zen-3-and-ryzen-4000-cpus-on-b450-and-x470-motherboards</a> <a href="#fnref:61" class="footnote-back-ref">↩</a></p></li> <li id="fn:62"><p>Mujtaba, Hassan (May 7, 2020). "AMD Ryzen 4000 'Zen 3' CPUs Compatible With X570 & B550 Chipset". Wccftech. Retrieved May 18, 2020. <a href="https://wccftech.com/amd-confirms-ryzen-4000-zen-3-cpu-compatibility-x570-b550-chipset-motherboards/" target="_blank">https://wccftech.com/amd-confirms-ryzen-4000-zen-3-cpu-compatibility-x570-b550-chipset-motherboards/</a> <a href="#fnref:62" class="footnote-back-ref">↩</a></p></li> <li id="fn:63"><p>Mujtaba, Hassan (April 16, 2020). "AMD Zen 3 Ryzen 4000 'Vermeer' Desktop CPUs Will Be Compatible With Existing AM4 Boards". Wccftech. Retrieved May 18, 2020. <a href="https://wccftech.com/amd-ryzen-4000-zen-3-vermeer-desktop-cpus-compatible-existing-am4-motherboards/" target="_blank">https://wccftech.com/amd-ryzen-4000-zen-3-vermeer-desktop-cpus-compatible-existing-am4-motherboards/</a> <a href="#fnref:63" class="footnote-back-ref">↩</a></p></li> <li id="fn:64"><p>u/AMDOfficial (May 19, 2020). "The "Zen 3" Architecture is Coming to AMD X470 and B450". Reddit. Retrieved May 19, 2020. <a href="https://www.reddit.com/r/Amd/comments/gmp45o/the_zen_3_architecture_is_coming_to_amd_x470_and/" target="_blank">https://www.reddit.com/r/Amd/comments/gmp45o/the_zen_3_architecture_is_coming_to_amd_x470_and/</a> <a href="#fnref:64" class="footnote-back-ref">↩</a></p></li> <li id="fn:65"><p>u/AMDOfficial (May 19, 2020). "The "Zen 3" Architecture is Coming to AMD X470 and B450". Reddit. Retrieved May 19, 2020. <a href="https://www.reddit.com/r/Amd/comments/gmp45o/the_zen_3_architecture_is_coming_to_amd_x470_and/" target="_blank">https://www.reddit.com/r/Amd/comments/gmp45o/the_zen_3_architecture_is_coming_to_amd_x470_and/</a> <a href="#fnref:65" class="footnote-back-ref">↩</a></p></li> <li id="fn:66"><p>Tyson, Mark (May 19, 2020). "AMD "decided to change course" with Zen 3 B450/X470 support". Hexus. 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