Free software for testing IDE and SCSI hard drives. HD Tune checks the performance of the drive in terms of transfer speeds, access time and CPU usage and presents the results in graphical and numerical form. It also provides a number of useful information about the hard drive such as capacity, interface standard, partitions, buffer, firmware version, serial number, current temperature, S.M.A.R.T.

support, and more. The drive can also be scanned for errors. A useful option of the program is to show the current temperature of the hard drive in the system tray (tray) of the taskbar.