15 inch Apple MacBook Pro Retina A1398 Logic Board 2.8Ghz i7 16Gb Ram Mid 2014 - TEKDEP
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
NEMIX RAM 16GB Kit (2x8GB Upgrade) DDR3-1600 SODIMM PC3-12800 for Apple MacBook Pro Mid 2012 / iMac Late 2012 / iMac 2013, Late 2014, Mid 2015, Mac Mini Late 2012 at Amazon.com
MacBook Pro (Retina, 13-inch, Mid 2014) - Technical Specifications
Apple Macbook Pro 13 A1502 Logicboard i5 - 2.8GHz/16GB RAM 820-3476-A 2014 | eBay
2.5GHz 16GB RAM Logic Board 820-3787-A for MacBook Pro 15" A1398 Late 2013 2014 | eBay
Adamanta 16GB (2x8GB) Apple Memory Upgrade DDR3L 1600MHz SODIMM Compatible for iMac (Mid 2011, Late 2012, Early/Late 2013, Late 2014, Mid 2015), MacBook Pro (Early/Late 2011, Mid 2012), Mac Mini at Amazon.com