MacBook Pro 15" Unibody Mid 2012 Teardown - iFixit
Now Here's a MacBook Pro That's Easy to Repair | WIRED
Upgraded after almost 10 years, hopefully this one lasts just as long. 14” M1 Pro vs. 15” Pro (Retina, Mid 2012). : r/macbookpro
Amazon.com: UESWILL Smooth Matte Hard Case Cover Compatible with (Mid 2012- Mid 2015) MacBook Pro 15 inch with Retina Display (No Touch Bar, No CD-ROM) (Model: A1398), Black : Electronics
How to Upgrade MacBook Pro RAM (2009, 2010, 2011, 2012): EveryMac.com