RPM: 7200 RPM Form Factor: 3.5" Interface: USB 2.0 / IEEE 1394a / 1394b / eSATA RAID: RAID 1 RAID 0 Mixed Partition (RAID 0 and RAID 1) Concatenation Dimensions: 3.5" x 7.8" x 6.7" Weight: 5.95 lbs. Features: Ideal for backup and creative pros Four RAID modes to customize speed and protection Two hot-swappable disks for non-stop data access Aluminum heat sink design for greater reliability Genie and Intego Backup Manager Pro incl. Time Machine Compatible Parts: 3 years limited