Western Digital Ultrastar DC HC560, 20 TB, 7200 RPM, 512 MB, 3.5", SAS / Serial ATA II
Western Digital Ultrastar DC HC560. Hard drive capacity: 20 TB, Hard drive rotational speed: 7200 RPM, Storage drive buffer size: 512 MB, Hard drive size: 3.5", Host interface: SAS / Serial ATA II