16GB MacBook Pro RAM Upgrade (2011/2012/2013) - YouTube
15" MacBook Pro Retina A1398 - Logic Board Mid 2014
Apple MacBook Pro A1502 Mid-2014 13" Retina i7 @ 3.0GHz 16GB RAM 500GB SSD *READ | eBay
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
How to Upgrade (16GB) or replace the RAM in Macbook Pro 13" 1600MHz - YouTube
MacBook Pro Retina 13 and 15-inch Late 2013 - Mid 2014 SSD upgrade - Flexx memory