CrystalDiskMark is a handy and practical utility designed to test the performance (random & continuous read/write speed) of your hard drive (HDD/SSD) or other storage devices. In order to identify the performance and quality of them, which is especially suitable for the hard disk newly purchased or used for a long time.

Any PC hard disk used for a long time has innumerable personal data, let alone various commercial computers. These data are mixed, which even has personal confidential files, once outflowed, the consequences will be unimaginable.