820-3332-A) Logic Board - MacBook Pro 15″ A1398 (2012-Early 2013)
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
16GB MacBook Pro RAM Upgrade (2011/2012/2013) - YouTube
Does the mid-2012 13 MacBook Pro have an M.2 slot that I can use for an Intel Optane memory upgrade? - Quora
Memory RAM Upgrades for MacBook Pro (2012 - Late 2016)
Macbook Pro A1398: Core i7-3615QM 2.3Ghz 8G 256GB 15'' Retina Mid-2012 – Ridgeway Computers & Electronics
MacBook Pro: How to remove or install memory - Apple Support
Memory RAM Upgrades for MacBook Pro (2012 - Late 2016)
Differences Between 15-Inch 2012 Retina and Regular MacBook Pro: EveryMac.com
Non-Retina Mid-2012 MacBook Pro Torn Apart - MacRumors
Mid-2012 Macbook Pro 16GB RAM Upgrade How To - YouTube
MacBook Pro 15" Retina Display Mid 2012 Teardown - iFixit
Mid-2012 15" MacBook Pro Retina - upgrading to Big Sur? : r/BigSurPatcher
My mid-2012 13" MacBook Pro upgrade project - Monterey, 16GB RAM, SSD, new battery : r/MacOS
Now Here's a MacBook Pro That's Easy to Repair | WIRED
MacBook Pro 15" Retina Display Mid 2012 Teardown - iFixit
A-Tech for Apple 16GB Kit (2x 8GB) 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
How to Upgrade MacBook Pro RAM (2009, 2010, 2011, 2012): EveryMac.com
Apple MacBook Pro with Retina display review (mid 2012) | Engadget
MCE Technologies 1TB Internal SSD Flash Upgrade for MacBook Pro Retina (Mid 2012 - Early 2013) - Includes USB 3.0 Enclosure for Original Drive & Install Kit!
Sold - 15 inch MacBook Pro Retina Mid 2012
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 SODIMM PC3-12800 204-Pin SO-DIMM Memory Upgrade at Amazon.com
