Apple Computer iMac 21.5-inch 3.1 GHz Core i5 (4K) (i5-5675R) iMac 21.5-inch 3.3 GHz Core i7 (4K) (i7-5775R) Compatible Order Number MK452LL/A, BTO/CTO Compatible Model Number A1418 Model Year Late 2015 Part Name Logic Board 3.1GHz (8GB) – HDD Manufacture Part Number 820-00431-02, 820-00431-A EMC Number EMC 2833 EEE Code GQRW, GQRX, GXMM Compatible Apple […]