TOSHIBA, SEGATE, HITACHI  HDD has been formatted, tested and working fine with 100 percent health and no bad sectors, Dispatched same day through FIRST CLASS SIGNED FOR DELIVERY if order before 4.30 PM Monday to Friday and 11.00 AM on Saturday.” 500GB SATA 2.5" LAPTOP HARD DRIVE PICTURE SHOWN ARE FOR ILLUSTRATION PURPOSES. YOU MAY RECEIVE A HDD WITH A DIFFERENT SERIAL NUMBER FROM MULTIPLE BRANDS.HDD SENTINEL SOFTWARE SHOWS 100 PERCENT HEALTH.