Apple Macbook Air 661-6070 11" Core I5 1.6ghz Mid 2011 Motherboard w/ 2gb RAM, 21pj6mb00d0, Mc968ll/a, EMC 2471, A1370, I5-2467m Apple Part No: 661-6070 Apple Macbook Air 11" Core i5 1.6Ghz Mid 2011 Motherboard w/ 2GB RAM, 21PJ6MB00D0, MC968LL/A, EMC 2471, A1370, I5-2467M Macbook Air 11" A1370 (Mid 2011): MC968LL/A, MC969LL/A