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CrystalDiskInfo

About CrystalDiskInfo

Free drive health monitor for Windows that reads S.M.A.R.T. data from SATA and NVMe disks, many USB enclosures, and select Intel RAID setups.

Related articles

Aoi Edition

CrystalDiskInfo Aoi edition showing S.M.A.R.T. drive health

Standard Edition

CrystalDiskInfo showing SSD and hard drive health on Windows

Shizuku Edition

CrystalDiskInfo Shizuku edition with drive health readings

Kurei Kei Edition

CrystalDiskInfo Kurei Kei edition drive health window


System Requirements

OSWindows XP/Vista/7/8/8.1/10/11
Windows Server 2003/2008/2012/2016/2019/2022/2025
Architecture x86/x64/ARM64
IE8.0~
.NET4.8~ (2.0~)
  • .NET Framework 4.8 or later is required to use the latest email notification features.
  • NVMe support required Windows 10/Server 2016 or later.
  • Installer does not support Windows XP/Server 2003(NT5.x).
  • Not support Windows 95/98/Me/NT4/2000.
  • Not support Server Core.

Manual

CrystalDiskInfo: SSD & HDD Health Monitor: structured Windows workflow

This independent CrystalDiskInfo: SSD & HDD Health Monitor reference is designed for Windows users who want reproducible checks rather than an unexplained score. It outlines the utility’s role, edition and compatibility considerations, preparation steps, and the context required to interpret its output responsibly.

Establish a baseline before changing drivers or hardware, then repeat with the same workload and power settings. Close active transfers, note drive temperature and free capacity, and verify the downloaded package and publisher. Performance data and health indicators answer different questions, so neither should be used alone.

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