Product description: MMOBIEL Replacement HDD Hard Drive Ir Sensor Sleep Detector Cable with Hard Drive Bracket for Macbook Pro A1278 13” 2012 Part Nr 821-1480-A Compatible Models: MC700 MC723 MD313 MD314 MD101 MD102 Compatible Subfamily: MacBook Pro "Core i5" 2.5 13" Mid-2012 MacBook Pro "Core i7" 2.9 13" Mid-2012