G-Technology G-RAID 4TB USB 3.0 / 2 x Firewire800 / eSATA Desktop External Hard Drive 0G03240 Silver RPM: 7200 RPM RAID: RAID System (0, 1) Dimensions: 3.58 x 5.12 x 9.92 Weight: 6.33 lbs. Package Contents: G-RAID removable dual-drive storage system (1) USB 3.0 cable (compatible with USB 2.0) (1) eSATA cable (1) FireWire 800 cable Quick Start Guide Power cable AC power adapter Warranty