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