CrystalDiskInfo
CrystalDiskInfo is an open-source disk utility developed by Crystal Dew World that monitors HDD and SSD health. It reads S.M.A.R.T. attributes, temperature, and device details across various internal and external interfaces, including NVMe and selected USB and Intel RAID drives.
sourceforge.net · Official website
- ✓ Official source (winget)
- ✓ SHA256 taken from the official repository
- ✓ Last checked: Nov. 4, 2026
- This is not a virus scan. Check on VirusTotal
- Version
- 9.9.3
- Release date
- Oct. 11, 2026
- License
- MIT
- Installer type
- inno
How do I use this?
Type Terminal in the Start menu and open it, paste the command (Ctrl+V or right-click) and press Enter. It uses winget, Windows' own package manager, to install the program from its official source.
winget install --id CrystalDewWorld.CrystalDiskInfo -eSHA256 (file verification)
aeb4f4ab81c71f9b41ce65de841162260ff64c1ec07a758a459cac925bd0fcf6We couldn't find a macOS version of CrystalDiskInfo in the official repositories; check the publisher's website.
We couldn't find a Linux version of CrystalDiskInfo in the official repositories; check the publisher's website.
We couldn't find a Android version of CrystalDiskInfo in the official repositories; check the publisher's website.
Platform pages: Windows · macOS · Linux · Android
Old versions (10)
CrystalDiskInfo 9.9.3: what's new?
- Fixed Transfer Mode display for JMicron external controllers.
- Improved SanDisk SSD support.
- Updated Traditional Chinese language files.
Summarized from the publisher's release notes.
Highlights
- Monitors HDD and SSD S.M.A.R.T. health attributes
- Displays real-time drive temperatures
- Supports NVMe drives and select USB and Intel RAID controllers
- Alerts users when drive parameters exceed safe thresholds
Who is it for?
CrystalDiskInfo is built for PC builders, system administrators, and everyday users who need to track storage drive health, detect impending drive failures, and monitor operating temperatures.
Good to know before installing
- Only available on Windows operating systems.
- Cannot repair physical drive failures or bad sectors; it only monitors and reports.
- Some external USB enclosures and RAID configurations may not expose S.M.A.R.T. data.
How to install
Windows
- Click the official download button on this page to get the installer, or run 'winget install --id CrystalDewWorld.CrystalDiskInfo -e' in PowerShell.
- Run the downloaded setup file and follow the on-screen prompts.
- Launch CrystalDiskInfo to immediately view your drive health and temperatures.
Alternatives
- GSmartControl
- Hard Disk Sentinel
- HD Tune
Frequently asked questions
Is CrystalDiskInfo free to use?
Yes, CrystalDiskInfo is open-source software distributed under the MIT license, completely free for personal and commercial use.
Can CrystalDiskInfo repair damaged sectors on my drive?
No, it is a monitoring and diagnostic tool; it reports S.M.A.R.T. errors but cannot physically repair drive sectors.
Why does my drive show a 'Caution' or 'Bad' status?
This indicates that one or more S.M.A.R.T. thresholds (such as reallocated sectors) have been breached, warning you to back up your data.