LOGIC BOARD For 15" MacBook Pro Retina A1398 Mid 2012
2012 Apple MacBook Pro Core i7 2.5GHz i5 MD101LL/A
A-Tech 16GB Kit (2x8GB) RAM for Apple MacBook Pro (Mid 2012), iMac (Late 2012, Early/Late 2013, Late 2014, Mid 2015), Mac Mini (Late 2012) | DDR3 1600MHz PC3-12800 SODIMM 204-Pin Memory Upgrade at Amazon.com
display - How can my mid-2012 MacBook Pro Retina 15 run a 4K panel at 30Hz over HDMI? - Ask Different
Timetec 16GB KIT(2x8GB) Compatible for Apple DDR3L 1600MHz for Mac Book Pro(Early/Late 2011,Mid 2012), iMac(Mid 2011,Late 2012,Early/Late 2013,Late 2014,Mid 2015), Mac Mini(Mid 2011,Late 2012) MAC RAM at Amazon.com
Refurbished 2015 Apple MacBook Pro Quad Core i7 2.8 15" Dual Graphics 16GB RAM 2TB SSD MJLU2LL/A A1398
Apple MacBook Pro Mid 2012 i5-3210M 2.5 GHz 16GB 250GB SSD MD101ll/A A1278 #16 | eBay