CrystalDiskInfo

Monitor drive health and SMART data

System & UtilitiesMITWindows

About CrystalDiskInfo

CrystalDiskInfo reads SMART attributes, temperature and health status of HDDs and SSDs, warning you before drives die. Lightweight and completely free.

CrystalDiskInfo is completely free and open source (MIT) — no trials, no subscriptions, no locked features. Always download from the official website to avoid bundled malware.

Free alternative to: Paid SMART monitoring tools

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