1 TB, SATA 3, 6 Gb/s, 7200 RPM, 3.5" HDD
IBM 81Y9806, 1 TB, 7200 RPM, 3.5", Serial ATA III
IBM 81Y9806. Hard drive capacity: 1 TB, Hard drive speed: 7200 RPM, Hard drive size: 3.5", Interface: Serial ATA III