Timetec Hynix IC DDR3L 1600MHz PC3L-12800 SODIMM Compatible with Apple 2011, 2012, 2013, 2014 MacBook Pro, iMac, Mac mini (16GB Kit(2x8GB)) - Newegg.com
Upgrading Ram in a Macbook Pro 13" | How to Upgrade Ram on 13" Macbook Pro - YouTube
How to upgrade a Mac: Swap in new RAM, graphics card, hard drive and more | Macworld
15" MacBook Pro Retina A1398 - Logic Board Mid 2014