HP AJ028A. Type: LTO, Compression ratio: 2:1, Interface: Ultra320 LVD SCSI. Native capacity: 800 GB, Compressed capacity: 1600 GB, Drive device, buffer size: 128 MB. Sustained data transfer rate (compressed): 240 MB/s, Sustained data transfer rate (native): 120 MB/s. Weight: 7.28 kg. Dimensions (WxDxH): 386.1 x 449.6 x 309.9 mm