Logic Board - MacBook Pro 13″ A1502 (Late 2013-Mid 2014)
MacBook Pro 13" (2014) - QWERTY - English Retina - Core i5 - 2.6 GHz - SSD 128 GB - RAM 8GB | Back Market
OWC 16GB (2x8GB) ram Upgrade PC3-12800 DDR3L 1600MHz sodimm 204 Pin CL11 Memory Upgrade Kit Compatible with Late iMac, Mac Mini, and MacBook Pro Computer at Amazon.com
Is it possible to upgrade MacBook Pro (Retina, 15-inch, Mid 2014) to 32GB RAM? - Quora
mac - Can I upgrade the memory on late 2013 Retina MacBook Pro? - Ask Different
Apple MacBook Pro Retina 13" Intel i5/8GB RAM - (Mid 2014) (CMP078778) | eBay
15" 15 Inch Retina MacBook Pro A1398 Mid 2015 Complete Disassembly (Almost) SSD Upgrade - YouTube
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