HP Personal Media Drive 1 TB USB 2.0 Desktop External Hard Drive HD10000S Dimensions - 8 x 4.6 x 1.5 inches Back up fast with the high-speed USB 2.0 transfer rate and integrated software Keep tabs on the storage with the power and drive activity LED indicators Protect the drive with a Kensington lock (sold separately) Compatibility - Microsoft Windows Me, XP, Vista