SCHEDA LOGICA SCHEDA MADRE PER GPU 27" IMAC PRO A1862 VEGA 56 2017
Apple Part # 661-09633, 661-09634, 661-09635, 661-08867, 661-08868, 661-08869, 661-08875, 661-08876, 661-08877. Also you must backup your data before starting any repair process. IMPORTANT NOTE.