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DiskSpdsysbench
Free

Free and open source from Microsoft.

 Free

Free and open source.

Windows, Command line Windows, macOS, Linux, Command line
  • Built and used by Microsoft's storage engineering teams
  • Highly configurable synthetic workloads
  • Covers CPU, memory, file I/O and database workloads
  • Custom benchmarks can be scripted
  • Command line only, with many options to learn
  • Windows only
  • Command line only, with no graphical interface
  • Formal releases are infrequent
Downloadable app Downloadable app
Open source Open source
License: MIT License: GPL-2.0
No account needed No account needed
Works offline Works offline

Checked September 24, 2026

Checked October 2, 2026

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