Hard Disk Sentinel monitors hard disk status, health and performance 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. It uses a revolutionary new concept to evaluate hard disk information which is able to better predict possible disk failures (more information: www.hdsentinel.com/smart ). 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. By using Hard Disk Sentinel it is possible to prevent serious damage or data loss. It warns the user before a problem and this gives opportunity to backup important and valuable data. The status can be verified from a remote browser (even by using a mobile phone or PDA). The Professional version has options to backup data periodically or when a problem is found. It is even possible to backup to remote server by sending files via FTP or e-mail. It is possible to start different hardware tests of hard disks which better diagnose problems than software based tests. The FREE DOS version is able to detect information about IDE/SATA hard disks connected to the motherboard or to external RAID controller cards by booting from a boot floppy or CD. Hard Disk Sentinel is licensed as shareware, the cost of the registered version is $23 and full download size is 6.7 MB. You can download a free version of Hard Disk Sentinel by following download link at Free Downloads section of this page. Hard Disk Sentinel is developed or distributed by H.D.S. Hungary and is listed under system utilities file & disk management.