Hard Disk Sentinel - Hard Disk Sentinel is straightforward utility that lets you keep an eye on your HDD’s activity and temperature. It bundles numerous features and it’s packed with information such as health, free space and temperature.For each of the above mentioned categories you can access additional details and you can get a quick glance at your HDD’s performance and health in the Overview tab. Furthermore, Hard Disk Sentinel shows estimated remaining lifetime and power on time, plus you can perform a Surface Test to get even more information, as well as fix problems if any.The temperature values for the selected drive can be seen in the Temperature section. In the same location you can view the day’s maximum and average temperature, and all of these values are also displayed as separate graphs.There’s also a section for disk performance where Hard Disk Sentinel displays current, average and maximum transfer rate, total read and written data, the average disk activity and the estimated maximum transfer rate.
Disk performance is the section that could prove most handy as it shows details such as total data read and write, current, average and maximum transfer rate, but also the estimated maximum transfer rate and the average disk activity. Hard Disk Sentinel has a comprehensive settings menu to configure hotkeys, disk control, message settings. No, don't take it lightly although that life expectancy Estimated remaining lifetime is just that, an estimate. Number of bad sectors is of highest concern because even one or two bad sectors is a sign that there's something wrong with it and are expected to grow in numbers.