Hard Disk Sentinel can monitor hard disk status, including temperature and S.M.A.R.T. (Self-Monitoring, Analysis and Reporting Technology, built in most hard disks today) values for each hard disks. Also it measures the hard disk transfer speed in real time which can be used as a benchmark or to detect possible hard disk failures, performance degradations.
Hard Disk Sentinel can be used to prevent serious damage or data loss. It warns the user before a problem may occur and this gives opportunity to backup important and valuable data.
Do I need it?
If you are using a computer equipped with a hard disk and you want to ensure that your data will be available tomorrow, then the answer is YES. Hard Disk Sentinel is especially designed to you if
you are using more hard disks in your computer
you are using a mobile rack with a hard disk inside
you are using notebook computer
you do not want to lose your sensitive and valuable data