Logic board with 2.5 GHz Core i7 (i7-4870HQ) processor, 16 GB memory, and integrated graphics. The CPU, GPU, and RAM are all soldered to the board and are not replaceable.
MacBook Pro / MacBookPro11,2 / 2.0 GHz - i7 - ( Late 2013, 15-Inch )
MacBook Pro / MacBookPro11,3 / 2.3 GHz - i7 - ( Late 2013, 15-Inch )
Product details
661-00677 15inch MacBook Pro Retina Mid 2014 Logic Board Integrated GPU 2.5GHz 16GB A1398 NB-5283W This is a replacement 2.5GHz logic board for the Retina MacBook Pro released in Mid 2014 with 16GB of RAM. Apple part number: 661-00677
Compatible models: Macbook Pro (Retina 15-inch Mid 2014), A1398