CrystalDiskInfo

CrystalDiskInfo is a comprehensive HDD/SSD utility that supports S.M.A.R.T. (Self-Monitoring, Analysis and Reporting Technology). It is fully open-source, lightweight, and designed to provide complete visibility into your storage device's condition. With CrystalDiskInfo you can monitor drive health, temperature, and S.M.A.R.T. attributes in real time to help prevent data loss.

General strengths:

User-friendly and easy to use. Clear Good / Caution / Bad health status at a glance.
Frequently updated to support the latest drives and Windows versions.
Excellent for both novice users and experts who need detailed S.M.A.R.T. data and advanced options.
Lightweight and runs quietly in the system tray with optional email or sound alerts.
Supports AAM (Acoustic Management) and APM (Power Management) for compatible drives.
Visual graphs for temperature and health trends over time.
100% free and Open Source under the MIT License. No ads, no bundled software.
Trusted by millions of users worldwide. Essential tool for IT admins, PC enthusiasts, and developers.

Who is CrystalDiskInfo for?

IT Administrators: Monitor fleets of workstations and servers to predict drive failures before they cause data loss.
PC Enthusiasts: Keep your gaming rig or workstation running at peak performance by monitoring NVMe SSD temperatures.
Developers: Verify storage integrity and performance when building I/O intensive applications.

Technical highlights:

Compatible with Windows XP through Windows 11 and Windows Server. Both 32-bit and 64-bit.
Supports HDDs and SSDs including NVMe. USB and IEEE 1394 external drives when supported by the bridge.
Command-line options for scripting and automated reports (e.g. /CopyExit).
Silent installation support for mass deployment (e.g. /VERYSILENT /NORESTART).
Gadget/Registry support for Rainmeter and other desktop tools.

To download CrystalDiskInfo, visit the download page or the main page.