Eathtek Replacement Hard Drive Cable w/IR Sensor for MacBook Pro 13" Unibody A1278 2011 821-1226-A 922-9771 series Compatible Model Numbers: MacBook Pro 13" Unibody A1278 2011 821-1226-A 922-9771 Package Included: 1 x Hard Drive Cable w/ IR Sensor Replacement and high quality,Replace your faulty, cracked or broken hdd cable Each hdd cable is tested before shipping All pictures are taken from the real item, please check carefully before bidding.