HD Tune 2.5.4.

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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 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

HD Tune is freeware!
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