Can hard-drive benchmark apps damage your hard-drive?
Disk benchmarks perform many read/write operations to measure the performance of your disk. It is recommend to save any work as high amount of those operations may cause some applications to slow down and crash by being unable to load/save data from/to your disk.


  Can benchmark app damage your disk?


No, however if your HDD or SSD has been extensively used over its lifetime then it is likely that its health status has decreased, making it more likely to fail. Keep in mind that it would be nothing but a coincidence if it would fail during the benchmark.