Eathtek Replacement DVD Optical Drive SATA Flex Cable 821-1247-A 922-9770 for Apple MacBook Pro 13" A1278 series Compatible Model Numbers: Apple MacBook Pro 13" A1278 Compatible Part Number: 821-1247-A 922-9770 Replacement and high quality,Replace your faulty, cracked or broken DVD Optical Drive SATA Flex Cable Each DVD Optical Drive SATA Flex Cable is tested before shipping All pictures are taken from the real item, please check carefully before bidding.