Compatible Models: MacBook Air 13″ A1369 – MacBookAir4,2 Mid 2011: MC965LL/A (1.7 GHz Core i5) – MacBookAir4,2 Mid 2011: MC966LL/A (1.7 GHz Core i5) – MacBookAir4,2 Mid 2011: MD226LL/A (1.8 GHz Core i7) MacBook Air 13″ A1466 – MacBookAir5,2 Mid 2012: MD231LL/A (1.8 GHz Core i5) – MacBookAir5,2 Mid 2012: MD232LL/A (1.8 GHz Core i5) – MacBookAir5,2 Mid 2012: MD232LL/A (2.0 GHz Core i7) – MacBookAir6,2 Mid 2013: MD760LL/A (1.3 GHz Core i5) – MacBookAir6,2 Mid 2013: MD761LL/A (1.3 GHz Core i5) – MacBookAir6,2 Mid 2013: MD761LL/A (1.7 GHz Core i7) – MacBookAir6,2 Early 2014: MD760LL/B (1.4 GHz Core i5) – MacBookAir6,2 Early 2014: MD761LL/B (1.4 GHz Core i5) – MacBookAir6,2 Early 2014: MD761LL/B (1.7 GHz Core i7) – MacBookAir7,2 Early 2015: MJVE2LL/A (1.6 GHz Core i5 or 2.2 GHz Core i7) – MacBookAir7,2 Early 2015: MJVG2LL/A (1.6 GHz Core i5 or 2.2 GHz Core i7