Seagate 73GB U320 80-Pin SCA LVD SCSI Hard Drive,ST373307LC OEM Capacity: 73GB Spindle Speed: 10,000RPM Interface Type: SCSI 80pin SCA-2 (Hot-Swap) Disk Size: 3.5"x1.0" (Low Profile Hard Drive) Electrical Interface Speed: SCSI LVD U320 - 320MBps 16-bit