Memory RAM Upgrades for MacBook Pro (2012 - Late 2016)
OWC 8GB (2 x 4GB) PC12800 DDR3L 1600MHz SO-DIMMs Memory Compatible with 2011-2015 iMac, 2011-12 Mac Mini, and 2011-2012 MacBook Pro (Non-Retina Display) Models (OWC1600DDR3S08S) at Amazon.com
macbook pro - Can I upgrade RAM on late 2013 retina Mac Book Pro? - Ask Different
Teardown of Retina MacBook Pro finds soldered RAM, proprietary SSD | AppleInsider
A1398 Motherboard, 820-00138-A 661-02524 Logic Board for Apple MacBook Pro Retina 15 inch A1398 Mid 2015 (IG) Core i7 2.2Ghz 16GB RAM MJLQ2LL/A MJLT2LL/A, EMC 2909 EMC 2910 - WIT Computers
Apple MacBook Pro Retina 13.3" 2019 128GB SSD 8GB Ram 1.4GHz Core i5 Space Grey 190199164185 | eBay
MacBook Pro with Retina display dismantled by iFixit, revealing soldered RAM - The Verge
Laptop Hard Disk & Memory (RAM) Upgrade
Amazon.com: Apple MacBook Pro (15-Inch, 16GB RAM, 256GB Storage, 2.2GHz Intel Core i7) - Space Gray (Previous Model) : Electronics
MacBook Pro: How to remove or install memory - Apple Support
MacBook Pro - Wikipedia
Apple Macbook Repair
Apple MacBook Pro (Retina, 13-inch, Early 2015) Silver, 8GB RAM, 256GB SSD MacOS Monterey (12) Used (Grade B) - One Bite Technology - St. Albert