HP StorageWorks LTO-4 Ultrium 1840 SCSI (1) in 3U Rack-mount Kit, StorageWorks. Native capacity: 800 GB, Compressed capacity: 1600 GB. Drive device, buffer size: 128 MB. Interface: Ultra 320 SCSI. Dimensions (WxDxH): 427 x 584 x 132 mm, Weight: 15 kg