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DiskSpd
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<h2 id="overview">Overview</h2> <p>The command supports physical and virtual storage including <a href="/facts/Hard_disk_drive/kekLSGSE">hard disk drive</a> (HDD), solid state devices (<a href="/facts/SSD/aMHBy8gU">SSD</a>), and solid state hybrid drives (<a href="/facts/SSHD/zkmDxd7q">SSHD</a>).<a class="footnote-ref" id="fnref:5" href="#fn:5"><sup>5</sup></a> It provides control over the testing methods, duration, <a href="/facts/Thread_(computing)/hh8WHyPd">threads</a>, <a href="/facts/Message_queue/Kq7kX86w">queues</a>, <a href="/facts/Input%2foutput/WQTE8Jas">IO</a> and <a href="/facts/Processor_affinity/hJqUvfer">processor affinity</a>, and reporting.<a class="footnote-ref" id="fnref:6" href="#fn:6"><sup>6</sup></a> </p><p>In 2024, the command was updated to handle modern workloads and hardware like <a href="/facts/NVMe/Ye7N4elE">NVMe</a>.<a class="footnote-ref" id="fnref:7" href="#fn:7"><sup>7</sup></a> </p><p>DiskSpd works on desktop versions of <a href="/facts/Windows_7/tldLdbnX">Windows 7</a>, <a href="/facts/Windows_8/eRtw96T3">Windows 8</a>, <a href="/facts/Windows_8.1/HRWIv7Mn">Windows 8.1</a>, <a href="/facts/Windows_10/be9IHehJ">Windows 10</a>, as well as <a href="/facts/Windows_Server_2012/W1vuUlSB">Windows Server 2012</a>, <a href="/facts/Windows_2012_R2/W1vuUlSB">Windows 2012 R2</a>, and <a href="/facts/Windows_Server_2016/LBMMCjYC">Windows Server 2016</a>.<a class="footnote-ref" id="fnref:8" href="#fn:8"><sup>8</sup></a> </p><p>It is licensed under <a href="/facts/MIT_License/8llAQtlk">MIT License</a> and the source code is available on <a href="/facts/GitHub/n1hNCsc3">GitHub</a>.<a class="footnote-ref" id="fnref:9" href="#fn:9"><sup>9</sup></a> </p> <h2 id="example">Example</h2> <p>Benchmark two drives (C: and E:) using a 100 MB test file, and run the test for a duration of 60 seconds (the default is 10).<a class="footnote-ref" id="fnref:10" href="#fn:10"><sup>10</sup></a> </p> C:\>diskspd -c100M -d60 c: e: <h2 id="see-also">See also</h2> <ul> <li>Free and open-source software portal</li></ul> <ul><li><a href="/facts/Iometer/lHsMjVLG">Iometer</a></li> <li><a href="/facts/ProcDump/A4te9aVz">ProcDump</a></li></ul> <h2 id="external-links">External links</h2> <ul><li><a href="https://aka.ms/diskspd">TechNet DiskSpd: A Robust Storage Performance Tool</a></li> <li><a href="https://github.com/Microsoft/diskspd">diskspd</a> on <a href="/facts/GitHub/n1hNCsc3">GitHub</a></li> <li><a href="https://sqlperformance.com/2015/08/io-subsystem/diskspd-test-storage">Using Microsoft DiskSpd to Test Your Storage Subsystem</a></li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>"Microsoft DISKSPD now on GitHub, and the mysterious VMFLEET released". <a href="https://techcommunity.microsoft.com/t5/storage-at-microsoft/diskspd-now-on-github-and-the-mysterious-vmfleet-released/ba-p/425747" target="_blank">https://techcommunity.microsoft.com/t5/storage-at-microsoft/diskspd-now-on-github-and-the-mysterious-vmfleet-released/ba-p/425747</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>"Benchmark your hard drives with Microsoft's open-source Diskspd". BetaNews. March 8, 2016. <a href="https://betanews.com/2016/03/08/benchmark-your-hard-drives-with-microsofts-open-source-diskspd/" target="_blank">https://betanews.com/2016/03/08/benchmark-your-hard-drives-with-microsofts-open-source-diskspd/</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>"Microsoft DiskSpd Storage Performance Tool - gHacks Tech News". www.ghacks.net. <a href="https://www.ghacks.net/2016/03/10/microsoft-diskspd-storage-performance-tool/" target="_blank">https://www.ghacks.net/2016/03/10/microsoft-diskspd-storage-performance-tool/</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>"microsoft/diskspd". GitHub. <a href="https://github.com/microsoft/diskspd" target="_blank">https://github.com/microsoft/diskspd</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> <li id="fn:5"><p>"Server and Storage I/O Benchmark Tools: Microsoft Diskspd (Part I) - DZone Performance". dzone.com. <a href="https://dzone.com/articles/server-and-storage-io-0" target="_blank">https://dzone.com/articles/server-and-storage-io-0</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li> <li id="fn:6"><p>Diskspd 2.0.17 | Software Downloads | Techworld <a href="https://www.techworld.com/download/system-desktop-tools/diskspd-2017-3330671/" target="_blank">https://www.techworld.com/download/system-desktop-tools/diskspd-2017-3330671/</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li> <li id="fn:7"><p>Cuomo, Dan. "Windows Server 2025 Storage Performance with Diskspd". techcommunity.microsoft.com. <a href="https://techcommunity.microsoft.com/t5/storage-at-microsoft/windows-server-2025-storage-performance-with-diskspd/ba-p/4167713" target="_blank">https://techcommunity.microsoft.com/t5/storage-at-microsoft/windows-server-2025-storage-performance-with-diskspd/ba-p/4167713</a> <a href="#fnref:7" class="footnote-back-ref">↩</a></p></li> <li id="fn:8"><p>Hoffman, Chris. "How to Stress Test the Hard Drives in Your PC or Server". How-To Geek. <a href="https://www.howtogeek.com/110689/how-to-stress-test-the-hard-drives-in-your-pc-or-server/" target="_blank">https://www.howtogeek.com/110689/how-to-stress-test-the-hard-drives-in-your-pc-or-server/</a> <a href="#fnref:8" class="footnote-back-ref">↩</a></p></li> <li id="fn:9"><p>"microsoft/diskspd". November 7, 2020 – via GitHub. <a href="https://github.com/microsoft/diskspd" target="_blank">https://github.com/microsoft/diskspd</a> <a href="#fnref:9" class="footnote-back-ref">↩</a></p></li> <li id="fn:10"><p>"Using diskspd.exe to test storage system". Medium. January 11, 2018. <a href="https://medium.com/@fromprasath/using-diskspd-exe-to-test-storage-3528bd44e2d4" target="_blank">https://medium.com/@fromprasath/using-diskspd-exe-to-test-storage-3528bd44e2d4</a> <a href="#fnref:10" class="footnote-back-ref">↩</a></p></li> </ol>