CrystalDiskInfo
Crystal Dew World (hiyohiyo)
Download from the vendor
crystalmark.info
CrystalDiskInfo reads the S.M.A.R.T. data of the drives in a PC and shows for each drive a health status, temperature, power-on hours and total data written, including NVMe drives, some external USB drives and Intel RAID. You can leave it running in the background to get an alert, even an email, when a value degrades, and keep graphs of changes over time. It is a must before trusting a disk that holds years of project files, and before buying a second-hand computer. Limitation: it warns about a problem but does not fix it and does not replace a backup.
Ratings & Reviews
| Licence type | Completely Free, Open Source |
|---|---|
| Licence terms | Open source under the MIT licence, free for any use including commercial. The developer asks for donations, but all features are available without payment. The download page lists installer variants marked Ads; download the Standard Edition (ZIP or regular installer). |
| Platforms | Windows |
| Engineering field | Architecture, Civil Engineering, Electrical & Electronics, Mechanical Engineering |
| Tool type | Utilities & Security |
| Vendor site | crystalmark.info |
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Last verified: 2026-10-16
