MacBook Pro 13" Unibody A1278 (Mid 2012) RAM Upgrade Kit
A-Tech 8GB Kit (2x4GB) 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
Amazon.com: Timetec 16GB KIT(2x8GB) Compatible for Apple DDR3L 1600MHz for Mac Book Pro(Early/Late 2011,Mid 2012), iMac(Mid 2011,Late 2012,Early/Late 2013,Late 2014,Mid 2015), Mac Mini(Mid 2011,Late 2012) MAC RAM : Electronics
Can I replace this part only in Macbook Pro mid 2012? (RAM slot/holder) : r/ macbookpro
16 GB RAM Upgrade on MacBook Pro 15" (mid 2012) NON Retina - YouTube
Mid-2012 MacBook Pro Unibody RAM Upgrade - YouTube
MacBook Pro 13" Retina Display Late 2012 Teardown - iFixit
OFFTEK 4GB Replacement Memory RAM Upgrade for Apple MacBook Pro 2.5GHz Intel Core i5 - (13-inch) (DDR3) (Mid-2012) (DDR3-12800) Laptop Memory at Amazon.com
How to Upgrade MacBook Pro RAM (2009, 2010, 2011, 2012): EveryMac.com
Upgrade Your Macbook Pro (SSD Upgrade, RAM Upgrade, Optical Drive Bay Adapter) - YouTube
MacBook Pro (Retina, 13-inch, Late 2012) - Technical Specifications