820-3332-A 661-6482 2.3GHz Apple Logic Board i7 with 16GB RAM A1398 for MacBook Pro 15inch Retina Mid 2012 NB-5559W
This is a replacement 2.3GHz logic board for the Retina MacBook Pro released in Mid 2012.
EEE code: DY43,DY44,DY45,DY4C
Apple part number: 661-6482, 820-3332-A
Compatible models: A1398, 820-3332-A
661-6482 2.3GHz Apple Logic Board i7 with 16GB RAM A1398 for MacBook Pro 15inch Retina Mid 2012 8203332A