HDDExpert is a very simple utility program, providing detailed information about the condition of the hard drive installed in the computer (ATA/SATA/SCSI/SSD). In the main window you will find information such as the manufacturer and the exact model of the device, firmware number, serial designation, cache size, as well as disk temperature, the number of media on/off cycles and the total number of hours worked. There were also more professional data provided by S.M.A.R.T. technology. We will find information about various types of writing/reading errors, the number of relocated sectors and many, many others.