Upgraded after almost 10 years, hopefully this one lasts just as long. 14” M1 Pro vs. 15” Pro (Retina, Mid 2012). : r/macbookpro
2012 Macbook Pro 15" A1286 RAM Upgrade - YouTube
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
13-inch Retina MacBook Pro Review (Late 2012)
Apple Motherboard MacBook Pro Retina 15 inch A1398 (Logic Board) 2.7GHz Core i7, 8GB RAM (Mid 2012) - 661-6481 - Apple Force