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
Memory RAM Upgrades for MacBook Pro (2012 - Late 2016)
MacBook Pro 15" Retina Display Mid 2012 Teardown - iFixit
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 RAM on a 2019 MacBook Pro
How to Upgrade a MacBook Pro Hard Drive, RAM, and Battery - Easiest step by step - YouTube
MacBook Pro 15", Mid-2012 - i7 2.6GHz - 16GB RAM - 4TB SSD - Blu-Ray - AC Wi-Fi | eBay