One of the most common problems we see here at Armor is failing hard drives, and more often than not, the customer does not have a backup of their data. If you do not wish to lose your data, you need to have a backup. Most people are surprised by the failure of their hard drive. However, the hard drive itself is the most complicated part of the computer. There is an electro-mechanical arm that reads data on a disk spinning at thousands of RPMs, which is thermally expanding and contracting inside the hard drive.