500GB, 2.5", Serial ATA III, 7200rpm
HPE 655708-B21-RFB, 500 GB, 7200 RPM, 2.5", Serial ATA III
HPE 655708-B21-RFB. Hard drive capacity: 500 GB, Hard drive rotational speed: 7200 RPM, Hard drive size: 2.5", Interface: Serial ATA III