Full Details on Amazon.com : http://www.amazon.com/gp/product/B00NH1IKNI?tag=tsukuyomi-20
(661-6057) Logic Board 1.7GHz Core i5 (I5-2557M) 4GB RAM - Apple MacBook Air 13 A1369 Mid 2011
Includes Logic board 17 GHz Core i5 CPU w 4GB memory heatsink
Compatibility MacBookAir42 Mid 2011 MC965LLA MC966LLA
Apple Part 661-6057
Printed Part 820-3023-A 820-3023-B
EMC 2469
