From H.D.S. Hungary:
Hard Disk Sentinel Professional is a HDD/SSD monitoring and analysis application. Its goal is to find, test, diagnose and repair disk drive problems, report and display SSD and HDD health, performance degradations and failures. Hard Disk Sentinel gives complete textual description, tips and displays or reports the most comprehensive information about the hard disks and solid state disks inside the computer or in external enclosures (USB or e-SATA). Many different alerts and report options are available to ensure maximum safety of your valuable data.The software monitors hard disk drive or HDD status, including health, temperature and all S.M.A.R.T. (Self-Monitoring, Analysis and Reporting Technology, built in most hard disks and solid state disks today) values for each disks. Also it measures the disk transfer speed in real time which can be used as a benchmark or to detect possible hard disk failures, performance degradations.