Technical Specifications: Hard Drive Capacity : 72.8GB Generation: Ultra3 (Ultra160) Data Transfer Rate: 160 MB/sec Rotational Speed: 10,000 rpm Form Factor (Drive): 3.5-inch low profile Interface: Wide Ultra 3 SCSI; LVD Data Storage Device Type: SAS (Server Attached Storage) device Hard Drive Device Type: Hard drive for server/storage unit (Hot-plug) Height: 1 inch Pin Configuration: 80 pin Hot Swappable/ Pluggable Hotswap Tray: Included (Attached)