HITACHI ULTRASTAR HUA721010KLA330 1 TB HARD DRIVE SATA 3.0Gb/s 7200rpm. Tested for capacity and bad sectors on Windows 10 using a BlacX Duet 5g on 7/8/21. Drive was part of a RAID array with at least 5 other identical drives, all Hitachi Ultrastar 1tb from OCT-2009. Drive is not sold with any kind of warranty, sale is as-is.