COMPATÍVEL MODELO A1369 ANO 2011MODELO A1466 SOMENTE ANO 2012 Compatible for MacBook Air 13' A1369 Mid 2011- For MacBookAir4,2 Mid 2011: MC965LL/A (1.7 GHz Core i5)- For MacBookAir4,2 Mid 2011: MC966LL/A (1.7 GHz Core i5)- For MacBookAir4,2 Mid 2011: MD226LL/A (1.8 GHz Core i7)Compatible for MacBook Air 13' A1466 Mid 2012 - For MacBookAir5,2 Mid 2012: MD231LL/A (1.8 GHz Core i5) - For MacBookAir5,2 Mid 2012: MD232LL/A (1.8 GHz Core i5) - For MacBookAir5,2 Mid 2012: MD232LL/A (2.0 GHz Core i7)testado e 100% funcional!