Western Digital 250GB
SATA II, 250 GB, 7200 rpm, 3.5", Access time: 8.9 ms, Revolutions per min: 7200 rpm, Size: 3.5", Cache memory: 8.0 MB, Storage capacity: 250.0 GB, Interface Type: S-ATA II, Internal/External: Intern, Interface: SATA II, Interface Transfer Rate: 300.0 MB/s