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
CMS 16GB (2X8GB) DDR3 12800 1600MHz Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® MacBook Pro Core I5 2.5 13" Mid-2012 - A7 at Amazon.com
Adamanta 16GB (2x8GB) Apple Memory Upgrade DDR3L 1600MHz SODIMM Compatible for iMac (Mid 2011, Late 2012, Early/Late 2013, Late 2014, Mid 2015), MacBook Pro (Early/Late 2011, Mid 2012), Mac Mini at Amazon.com
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
Mid-2012 15" MacBook Pro Retina - upgrading to Big Sur? : r/BigSurPatcher
Memory RAM Upgrades for MacBook Pro (2012 - Late 2016)
Apple MacBook Pro 15 Retina - Mid 2012 Reviews, Pros and Cons | TechSpot
16 GB RAM Upgrade on MacBook Pro 15" (mid 2012) NON Retina - YouTube
Upgrade Your Macbook Pro (SSD Upgrade, RAM Upgrade, Optical Drive Bay Adapter) - YouTube
MacBook Pro with Retina display review (13-inch, 2013) | Engadget
mac - What is the maximum RAM size for MacBook Pro Mid 2012? - Ask Different
A-Tech 8GB 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 MacBook Pro RAM (2009, 2010, 2011, 2012): EveryMac.com
2012 Macbook Pro 15" A1286 RAM Upgrade - YouTube
Mid-2012 Macbook Pro 16GB RAM Upgrade How To - YouTube
MacBook Pro 15" Unibody Mid 2012 Teardown - iFixit
MacBook Pro 15" Retina Display Mid 2012 Teardown - iFixit
How to Upgrade MacBook Pro RAM (2009, 2010, 2011, 2012): EveryMac.com
MacBook Pro: How to remove or install memory - Apple Support
MacBook Pro RAM Upgrades (Non-Retina) - OWC
A-Tech for Apple 8GB Kit (2x 4GB) DDR3 1600MHz PC3-12800 204-pin SODIMM MacBook Pro (Mid 2012, 13”/15”), iMac (Late 2012, Early/Late 2013, Late 2014, Mid 2015, 21.5”/27”, Retina 5K) Memory RAM Upgrade at Amazon.com