Logic board with onboard upgraded 2.9 GHz Core i7 (i7-3520M) processor and Intel HD Graphics 4000 GPU. The CPU and GPU are both soldered in place and are not upgradable without replacing the entire board. Processors and graphics are not swappable, the entire logic board must be replace to upgrade, so choose wisely.
661-6589 820-3115 i7 2.9Ghz Logic Board, A1278 for Macbook Pro NB-5593W This is the 2.9GHz Core i7 Logic Board for the Macbook Pro 13" Mid 2012. EEE code: F1YG,F1YH,F1YK
Apple part number: 661-6589
Compatible models: MacBook Pro (13-inch Mid 2012), A1278
661-6589 2.9Ghz Logic Board, A1278 for Macbook Pro
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