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CrystalDiskInfo vs HDDScan: catalog facts
CrystalDiskInfo	HDDScan
Free Free and open source under the MIT licence.	Free Freeware with no paid edition.
Windows	Windows
Plain Good, Caution or Bad verdict on top of the raw S.M.A.R.T. table Supports NVMe, many USB enclosures and some Intel RAID setups	Surface tests in read, verify and erase modes Shows SMART attributes and drive temperature
Windows only A Good verdict does not mean a drive cannot fail tomorrow	Windows only RAID volumes and USB flash drives get surface tests only
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 23, 2026

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