WD 16TB My Book Pro Professional RAID Thunderbolt 2 USB 3.0 Desktop External Hard Drive - WDBDTB0160JSL-NESN Dimensions: 5.82 x 4.28 x 8.51 Weight: 7.72 lbs. Package Contents: Dual-drive Thunderbolt 2 RAID storage system Thunderbolt 2 cable (1-meter/39.4) USB 3.0 cable Power supply Quick install guide