AJA System Test Free plan 8.6 Visit DiskSpd
github.com
Spec sheet
- Purpose
- DiskSpd is a storage load generator and performance test tool from Microsoft engineering teams.Read 28 Sep 2026 · github.com
- Free plan
- YesRead 20 Sep 2026 · github.com
- Support
- The repository directs users to GitHub Issues to report DiskSpd problems.Read 28 Sep 2026 · github.com
- License
- The repository uses the MIT License, which grants permission to use, copy, modify, distribute, sublicense, and sell copies of the software subject to its conditions.Read 28 Sep 2026 · github.com
- Headquarters
- Redmond, Washington, USARead 28 Sep 2026 · github.com
- Founded
- 2020Read 28 Sep 2026 · github.com
- Builds
- The 2.3 binary release contains amd64 and arm64 builds.Read 28 Sep 2026 · github.com
- Downloads
- The releases page provides precompiled ZIP binaries and source code.Read 28 Sep 2026 · github.com
- I/O modes
- DiskSpd 2.3 adds BypassIO modes for partial bypass and required full bypass.Read 28 Sep 2026 · github.com
- Latest release
- DiskSpd 2.3 adds an IoRing I/O path with registered buffers and configurable submission batching.Read 28 Sep 2026 · github.com
- Processor controls
- DiskSpd 2.3 adds topology-aware affinity controls, including physical-core assignment and P-core/E-core ordering.Read 28 Sep 2026 · github.com
- Profiles
- XML profiles and results support the new I/O, affinity, buffer, and completion settings.Read 28 Sep 2026 · github.com
- Related framework
- The repository includes VM Fleet, a framework for exploring storage capabilities in Windows Server Hyper-Converged environments with Storage Spaces Direct.Read 28 Sep 2026 · github.com
- Reporting
- Results can report processor names and cache topology in text and XML formats.Read 28 Sep 2026 · github.com
- Requirements
- The minimum supported operating system is Windows 10 version 1803; IoRing and BypassIO require Windows 11 or later, and BypassIO also requires NTFS.Read 28 Sep 2026 · github.com
- Security reporting
- Microsoft asks researchers to report security vulnerabilities through the Microsoft Security Response Center rather than public GitHub issues.Read 28 Sep 2026 · github.com
Plans and prices
Free Free Windows 10 version 1803 or later · IoRing and BypassIO require Windows 11 or later · BypassIO also requires NTFS Read 28 Sep 2026 · github.com
Where Specifiction places it
- Disk Benchmark Software#9 of 297.9
- PC Benchmark Software#25 of 738.1
- PC benchmark tools#41 of 707.7
- Text-to-speech tools#191 of 2337.4
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