HD Tune is a hard disk utility with many functions. It can be used to measure the drive's performance, scan for errors, check the health status (S.M.A.R.T.), securely erase all data and much more. Benchmark: measures the raw performance. Transfer Rate. Access Time. CPU Usage. Burst Rate. Hard Disk information which includes partition information, supported features, firmware version, serial number, disk capacity, buffer size, transfer mode. Hard Disk Health. S.M.A.R.T. Information (Self-Monitoring Analysis and Reporting Technology). Power On Time. Error scan. Temperature display. Copy text to clipboard. Copy screenshot to clipboard.