CrystalDiskInfo
CrystalDiskInfo is a free and open-source disk health monitoring tool licensed under MIT. It displays detailed S.M.A.R.T. information for HDDs, SSDs, and NVMe drives, helping users detect potential failures before they happen. With real-time monitoring of temperature, health status, and alerts, CrystalDiskInfo is widely used by technicians and PC enthusiasts to ensure storage reliability.
The software supports multiple drives, including external USB and RAID volumes. It also offers customizable alerts, AAM/APM control, and a lightweight interface available in several languages. CrystalDiskInfo is compatible with all modern versions of Windows, from XP up to Windows 11.
Key features:
- S.M.A.R.T. Monitoring — full details on drive health and status
- Temperature Tracking — real-time monitoring with alerts
- Multi-Drive Support — internal, external, USB, NVMe, and RAID
- AAM/APM Control — acoustic and power management tuning
- Customizable Warnings — prevent data loss with early alerts
- Lightweight & Free — open-source under MIT license
Download Options
| Version | Type | Download |
|---|---|---|
| 9.7.2 | Installer (.exe) | Download |
| 9.7.2 | Portable (.zip) | Download |
| Retro 2.0.6 | Alternative Build (.exe) | Download |
Useful Links
- Official Website
- License: MIT
Note: CrystalDiskInfo is designed for monitoring and early warning. It does not repair or recover drives — always back up important data.