Freedom251 › PC Benchmark Software
DiskSpd
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Free | Windows 10 version 1803 or later · IoRing and BypassIO require Windows 11 or later · BypassIO also requires NTFS | Free |
As github.com lists them, read 28 Sept 2026. The maker's own page has the final word.
Facts from DiskSpd's own pages
- Builds
- The 2.3 binary release contains amd64 and arm64 builds. · github.com, 28 Sept 2026
- Downloads
- The releases page provides precompiled ZIP binaries and source code. · github.com, 28 Sept 2026
- Founded
- 1975 · github.com, 28 Sept 2026
- Free plan
- Yes · github.com, 20 Sept 2026
- Headquarters
- Redmond, Washington, USA · github.com, 28 Sept 2026
- I/O modes
- DiskSpd 2.3 adds BypassIO modes for partial bypass and required full bypass. · github.com, 28 Sept 2026
- Latest release
- DiskSpd 2.3 adds an IoRing I/O path with registered buffers and configurable submission batching. · github.com, 28 Sept 2026
- 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. · github.com, 28 Sept 2026
- Processor controls
- DiskSpd 2.3 adds topology-aware affinity controls, including physical-core assignment and P-core/E-core ordering. · github.com, 28 Sept 2026
- Profiles
- XML profiles and results support the new I/O, affinity, buffer, and completion settings. · github.com, 28 Sept 2026
- Purpose
- DiskSpd is a storage load generator and performance test tool from Microsoft engineering teams. · github.com, 28 Sept 2026
- Related framework
- The repository includes VM Fleet, a framework for exploring storage capabilities in Windows Server Hyper-Converged environments with Storage Spaces Direct. · github.com, 28 Sept 2026
- Reporting
- Results can report processor names and cache topology in text and XML formats. · github.com, 28 Sept 2026
- Requirements
- The minimum supported operating system is Windows 10 version 1803; IoRing and BypassIO require Windows 11 or later, and BypassIO also requires NTFS. · github.com, 28 Sept 2026
- Security reporting
- Microsoft asks researchers to report security vulnerabilities through the Microsoft Security Response Center rather than public GitHub issues. · github.com, 28 Sept 2026
- Support
- The repository directs users to GitHub Issues to report DiskSpd problems. · github.com, 28 Sept 2026
Where DiskSpd stands on Freedom251
- PC Benchmark Software#13 of 73
- Disk Benchmark Software#6 of 29
- PC benchmark tools#33 of 70
- Text-to-speech tools#145 of 232