SimpleTech SimpleDrive 120 GB USB 2.0 Portable External Hard Drive SP-U25/120G (Grey) SimpleTech SimpleDrive SP-U25/120G 120GB USB 2.0 Portable Hard Drive General Features: Slim, compact stylish (designed by Pininfarina) Charcoal gray color Ruggedized for travel 120 GB capacity Hi-Speed USB 2.0 5400 RPM with 8 MB buffer (cache) 2.5-inch form factor Includes StorageSync backup software (Windows only) No external power required Plug and Play simplicity