Hitachi TravelStar 5K80 20GB
IDE, 20 GB, 5400 rpm, 2.5", Interface: IDE, Interface Type: ATA-100, Internal/External: Intern, Storage capacity: 20.0 GB, Cache memory: 8.0 MB, Size: 2.5", Revolutions per min: 5400 rpm, Access time: 12.0 ms, Interface Transfer Rate: 100.0 MB/s