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DiskSmartViewDiskBoard
Free

Freeware from NirSoft, free to use and redistribute without charge.

 Free

Free for Windows and macOS.

Windows Windows, macOS
  • Shows temperature, power-on hours and error rates
  • Supports external USB drives
  • Configurable sequential and random read/write tests
  • Shows S.M.A.R.T. attributes for internal, external and USB drives
  • Official requirements stop at Windows 10
  • Supports IDE, SATA and USB disks only
  • Results are uploaded to public rankings
  • No Linux version
Downloadable app Downloadable app
Closed source Closed source
License: Freeware License not stated
Not stated if an account is needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked October 8, 2026

Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.