The minute you plug it into a USB port, it begins backing up your data. There's no need to install and learn software, so it's practically hands-free. After the first backup, it frequently checks for file changes so your backup is always up to date.
Easy-to-use HP SimpleSave automatic backup software
Glossy black finish and attractive compact design
NTFS file system optimized for PC
2-year limited warranty
Kit Contents: SimpleSave portable hard drive and USB cable
Compatible with PCs that have an available USB port plus one of the following operating systems: Windows 7; Windows Vista; Windows XP