Logic board with onboard 1.8GHz Core i5 (i5-5350U) processor and 8GB of LPDDR3 memory. The processor and memory are non-removable and cannot be upgraded without replacing the entire logic board. The RAM is soldered to the board, the only way to upgrade RAM is to replace the entire logic board
MacBook Air / MacBookAir7,2 / 1.6 GHz - i5 - ( Early 2015, 13-Inch )
Product details
661-08140 Logic Board 1.8 GHz 8GB for MacBook Air 13-inch Mid 2017 A1466 CJ-11254W This is a replacement 1.8GHz Core i5 logic board with 8GB of RAM for the MacBook Air 13.3" released in mid 2017.