320GB, 2.5", SATA 6Gb/s, 7200 RPM, 32MB
Western Digital Black, 320 GB, 7200 RPM, 32 MB, 2.5", Serial ATA III
Western Digital Black. Hard drive capacity: 320 GB, Hard drive rotational speed: 7200 RPM, Storage drive buffer size: 32 MB, Hard drive size: 2.5", Interface: Serial ATA III