Hitachi Deskstar 14R9464 250GB SATA/150 7200RPM 8MB Hard Drive Hitachi Deskstar 14R9464 250 GBSATA/150 Hard Drive General Features: 250 GB formatted capacity 7200 RPM spindle speed 8 MB Buffer Serial ATA (SATA) interface 150 Mbps maximum data transfer rate Average seek time: 8.5 ms 3.5-inch form factor Regulatory Approvals: CE UL C-Tick