Program for hard drive tests for reading and writing speed.

Crystaldiskmark

CrystalDiskMark is a free program for comparative analysis (testing) performance of hard drives and other drives. CrystalDiskMark allows you to measure the speed of various operations, namely copying and recording blocks given by the user on certain sections of physical drives. After a short test, the average read and write speed to the main file, blocks, will be issued. The results can be saved for subsequent analysis and comparison. (4.1 mb, free, Russian language: yes)