

These include Rad Read Error Rate, Seek Error Rate, etc.

data to fetch different attributes about the drive. To be more specific, HDDScan analyses the surface of a disk while using S.M.A.R.T. HDDScan is a freeware hard drive diagnostics utility which will perform a series of tests your your hard drive or other storage devices connected to a PC such as RAID arrays, USB flash devices and SSD solid state drives.
