HP LTO-4 Ultrium 1760 SAS (1) in 1U Rack-mount Kit. Native capacity: 1.6TB; Compressed 2:1 GB. Drive device, buffer size: 128; Included. Data transfer rate: 576 Gbit/s. Standard interfaces: 3 Gb/sec SAS. Dimensions (WxDxH): 428.8 x 641.4 x 43.2 mm, Weight: 11.6 kg