15" MacBook Pro Retina A1398 - Logic Board Mid 2014
Apple MacBook Pro: RAM upgrade (HowTo)
Just upgraded from a 2014 4gb ram MacBook air to a 32gb ram 2020 pro. Also got the AirPod pros for only $90 with apple's promotion. This upgrade was much needed : r/macbookpro
MacBook Pro (Retina, 15-inch, Mid 2014) - 2.2GHZ QC i7 / 16GB RAM / 2 – Mac Alert