16 GB RAM Upgrade on MacBook Pro 15" (mid 2012) NON Retina - YouTube
How to Upgrade MacBook Pro RAM (2009, 2010, 2011, 2012): EveryMac.com
Upgrading My MacBook Pro i5 (Mid 2012) With 16GB Memory - miapple.me - Tech.Blog
Memory RAM Upgrades for MacBook Pro (2012 - Late 2016)
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