RPM: 7200 RPM Form Factor: 3.5" Interface: USB 2.0 / IEEE 1394a / 1394b / eSATA RAID: RAID 0, RAID 5, RAID 5+Spare, RAID 3, RAID 3+Spare, Concatenation, RAID 10 Dimensions: 7.0" x 8.66" x 7.71" Weight: 15.7 lbs. Features: RAID power: add terabytes on your desk Huge capacity for backing up all your data Superior protection and speed for creative pros 4 hot-swappable disks for non-stop data access Designed to complement and enhance your working environment Genie and Intego Backup Manager Pro incl. Time Machine Compatible Parts: 3 years limited