HDtach from SimpliSoftware is a storage ( HDDs, SSDs, Flash Drives [ USB, FireWire, e-SATA ], RAM drives ) benchmark that tests & displays the results for linear ( sequential ) read & write [ from a few areas of the disk, or throughout the disk ], random access times, and burst speed ( the Cache's speed ).
This version comes incorporated ( pre-activated ) with a journalist license that unlocks all the features of the program.
