Logic board with upgraded onboard 2.8GHz Core i7 (i7-4980HQ) processor, 16GB memory, and integrated graphics (IG) option. 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
661-00678 15inch MacBook Pro Retina Mid 2014 Logic Board Integrated GPU 2.8GHz 16GB A1398 - NB-5284W This is a replacement 2.8GHz logic board for the Retina MacBook Pro released in Mid 2014 with 16GB of RAM. Apple part number: 661-00678
Compatible models: Macbook Pro (Retina 15-inch Mid 2014), A1398