CrystalDiskInfo – Free Drive Health Tool for Windows

CrystalDiskInfo dark theme reporting drive health and temperature

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CrystalDiskInfo Shows “Caution” or “Bad”: What to Do Next

When you open CrystalDiskInfo, it can be unsettling to find the health box reporting a yellow “Caution” or red “Bad.” Here is what matters most:If...

Microsoft MVP

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Re-awarded the Microsoft MVP title

Thank you to everyone for your support – I have once again been awarded the Microsoft MVP for Developer Technologies title (for the 14th year running)!I will co...

Roadmap slide for upcoming Crystal disk software releases

Announcement

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Updated Future Plan

On March 31, 2027, we will release “CrystalMark Eternal,” a CPU benchmarking software fully compatible with Windows 95 and NT 3.51!

CrystalDiskInfo

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Developer story: CrystalDiskMark and CrystalDiskInfo

Announcement

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Crystal Dew World 24th Anniversary

Thanks to all of you, we are celebrating our 24th anniversary!!I bought New PC!! Thank you for development support!! History Future Plan

Announcement

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Crystal Dew World 23rd Anniversary

Thanks to all of you, we are celebrating our 23rd anniversary!! I am developing CrystalDiskInfo 9 -Rugenia-. History Future Plan

CrystalDiskMark

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CrystalDiskMark 8.0.2

[NEW] Tsukumo Tokka Edition Tsukumo Tokka is Tsukumo’s (PC shop) virtual salesperson. Shizuku Edition Added “Idol” theme. Standard Edition

CrystalDiskInfo

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CrystalDiskInfo 8.12.0

Updated Digital Signature. So, SmartScreen may block CrystalDiskInfo for a few days.

CrystalDiskInfo

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CrystalDiskInfo 8.10.0

Re-support Samsung SATA SSD Life report Added ZHITAI SC001 support Added SK hynix Gold S31 support Added KLEVV NEO N610 support Improved Micron/Crucial SATA SSD...

CrystalDiskInfo

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CrystalDiskInfo 8.9.0

Deleted Samsung SATA SSD Life report Improved Maxiotek SATA SSD controller support ImprovedSeagate BarraCudata SATA SSD support Improved Apacer AS350 support Ad...

Professional workflow for CrystalMark utilities

This independent knowledge base approaches CrystalDiskInfo, CrystalDiskMark, CrystalMark Retro, and related tools as part of a repeatable Windows diagnostics workflow. It focuses on selecting the appropriate utility, controlling test conditions, and documenting results that can be compared later.

Use health monitoring to identify values that are changing, and benchmarks to measure a defined workload—not to prove that a drive is reliable. Record the software version, storage driver, power plan, test profile, temperature, free space, and background activity. Preserve important files before investigating any warning.