All drives are tested with no error!
WD Blue 500GB 7200rpm 3.5" Hard Drive Seagate 500GB 7200rpm 3.5" Hard Drive 5 pcs available $15 each
Seagate/Toshiba/WD 1TB 3.5" Hard Drive 4 pcs available $25 each
Seagate/WD 500GB 2.5" Hard Drive 2 pcs available $15 each
Samsung/Toshiba 1TB 2.5" Hard Drive 2 pcs available $25 each
it is available if ad is up.