WD hitachi - hgst disk twardy Hitachi Ultrastar 7K8, 3.5', 8TB, SATA/600, 7200RPM, 256MB cache
WD Ultrastar DC HC320 8TB 3.5'' SATA III (6 Gb/s) (HUS728T8TALE6L4)
WD Ultrastar DC HC320 8TB 3.5'' SATA III (6 Gb/s) (HUS728T8TALE6L4)