HP 300GB 10K rpm Ultra320 Hot Plug SCSI Hard Drive. Hard drive interface: SCSI, Hard drive speed: 10000 RPM. Weight: 1.556 kg. Dimensions (WxDxH): 393.7 x 508 x 654.05 mm, Maximum capacity: 300 GB, Size: 39.37 cm (15.5"). Weight: 1.56 kg (3.432 lb)