MacBook Pro 15" Retina 2.8GHz Logic Board, 16GB, Mid 2014

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

Compatible Mac info. : Macbook Pro (Retina 15-inch Mid 2014) 2.8 GHz Core i7 - BTO/CTO - A1398 - MacbookPro11,2 - EMC 2876

661-00678 Logic Board Integrated GPU 2.8GHz 16GB A1398 - 15inch MacBook Pro Retina Mid 2014