CrystalDiskMark
Crystal Dew World (hiyohiyo)
Download from the vendor
crystalmark.info
CrystalDiskMark runs fixed read and write tests on a chosen drive and shows the results in MB/s, both for sequential transfer of large files and for random access to small blocks, which decides how fast a heavy model or a project with thousands of files opens. It is useful to check whether a new SSD delivers the promised speed, compare a USB stick with an external drive, or test an office network drive. Results are easy to copy as text into a report. Limitation: it is a synthetic measurement only and does not check drive health (use CrystalDiskInfo for that).
Ratings & Reviews
| Licence type | Completely Free, Open Source |
|---|---|
| Licence terms | Open source under the MIT licence, free for any use including commercial. The developer asks for donations, but all features are available without payment. The download page lists installer variants marked Ads; download the Standard Edition (ZIP or regular installer). |
| Platforms | Windows |
| Engineering field | Architecture, Civil Engineering, Electrical & Electronics, Mechanical Engineering |
| Tool type | Utilities & Security |
| Vendor site | crystalmark.info |
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Last verified: 2026-10-16
