CrystalDiskInfo
Disk health utility reporting SMART/NVMe status, temperature, and thresholds for HDDs and SSDs.
Why it is included
Very widely distributed maintenance tool; current major releases use a permissive license (verify per release).
Best for
Quick SMART checks before RAID rebuilds, laptop health triage, or warranty evidence.
If you use Windows, Mac, or paid tools
SMART viewer alternative to Hard Disk Sentinel (paid) and third-party macOS SMART utilities.
Strengths
- Broad disk support
- Simple health-at-a-glance
- Frequent updates
Limitations
- Windows-first; Linux users typically use smartctl
Good alternatives
smartmontools · GNOME Disks
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