CrystalDiskMark Standard / Shizuku Edition 5.1.0 Beta1 (x86/x64) Portable | 2.9/14.1 Mb
CrystalDiskMark is designed to quickly test the performance of your hard drives. Currently, the program allows to measure sequential and random read/write speeds. 64-bit and older operating sytem versions are available at the authors webpage.