Compatible with: Apple MacBook Air 11" and 13"A1374MacBook Air/A1244/MB283LL/A/ADP-54GDMB003LL/A MB543LL/A MB940LL/A MC233LL/A MC234LL/A MC504LL/A MC505LL/A MC506LL/A MC503LL/A MC968LL/A MC969LL/A MC965LL/A MC966LL/A MB283LL/AMacBook Air - 2008 - A1237 - MacBookAir1,1 - MB003LL/AMacBook Air (Late 2008) - 2008/2009 - A1304 - MacBookAir2,1 - MB543LL/A (1.6 GHz), MB940LL/A (1.86 GHz)MacBook Air (Mid 2009) - 2009/2010 - A1304 - MacBookAir2,1 - MC233LL/A (1.86 GHz), MC234LL/A (2.13 GHz)MacBook Air (11-inch, Late 2010) - 2010/2011 - A1370 - MacBookAir3,1 - MC505LL/A (64GB), MC506LL/A (128GB)MacBook Air (13-inch, Late 2010) - 2010/2011 - A1369 - MacBookAir3,2 - MC503LL/A (128GB), MC504LL/A (256GB)MacBook Air (11-inch, Mid 2011) - 2011/2012 - A1370 - MacBookAir4,1 - MC968LL/A (64GB), MC969LL/A (128GB)MacBook Air (13-inch, Late 2011) - 2011/2012 - A1369 - MacBookAir4,2 - MC965LL/A (128GB), MC966LL/A (256GB)