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

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