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DiskBoard vs CrystalDiskMark: catalog facts
DiskBoard	CrystalDiskMark
Free Free for Windows and macOS.	Free Freeware. The developer asks for optional donations to support development.
Windows, macOS	Windows
Configurable sequential and random read/write tests Shows S.M.A.R.T. attributes for internal, external and USB drives	Sequential and random read, write and mixed measurements in a few clicks Peak, real-world and demo modes covering different queue depths and thread counts
Results are uploaded to public rankings No Linux version	Windows only Synthetic benchmarks do not always reflect how a drive feels in use
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 21, 2026

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