Now Here's a MacBook Pro That's Easy to Repair | WIRED
2012 Macbook Pro 15" A1286 RAM Upgrade - YouTube
Mid-2012 Macbook Pro 16GB RAM Upgrade How To - YouTube
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)
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
Upgrade Your Macbook Pro (SSD Upgrade, RAM Upgrade, Optical Drive Bay Adapter) - YouTube
Macbook Pro Apple 13" inch Catalina 10.15 (2012-2014 model) w/ 16GB RAM Upgrade! | eBay
16GB MacBook Pro RAM Upgrade (2011/2012/2013) - YouTube
So I assembled a Specced Out Unibody MacBook Pro 15-inch (mid-2012, 2.6GHz Core i7, 16GB 1600MHz DDR3 RAM) and installed some gradient colored backlight keyboard on it… : r/mac
Samsung ram Memory Upgrade DDR3 PC3 12800, 1600MHz, 204 PIN, SODIMM for 2012 Apple MacBook Pro's, 2012 iMac's, and 2011/2012 Mac Mini's (8GB kit (2 x 4GB)) at Amazon.com