HD Tune is a hard disk utility which has the following functions:

* Benchmark: measures the raw performance
* Transfer Rate
* Access Time
* CPU Usage
* Burst Rate
* Hard Disk information which includes 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)
* Temperature
* Power On Time
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