Requires no software installation or configuring - just plug it inOnce connectted to a PC the backup software begins automatically searching for files and copies them onto the device120GB capacity2.5" SATA drive with 5400RPM and 8MB cacheCan backup up to 5 computers- all with the same plug in simplicityEach PC can have individual backup optionsDimensions: 4 1/2" H x 3" W x 2/3" D; weight: 0.22 lbs.Includes 1-year limited hardware warranty and USB 2.0 cable