4GB Ram Memory (PC3L-12800, DDR3 1600MHz) for Apple MacBook Pro 15 inch A1286, 13 inch A1278 . iMac 21.5 inch A1418 , 27 inch A1419 , Mac Mini A1347 ( Mid 2012 - Mid 2015) - MacWave
2GB Memory (PC3-12800, DDR3 1600MHz) for Apple MacBook Pro 15 inch A1286 Mid 2012. iMac 21.5 inch A1418 Late 2012, A1418 MacMini A1347 - Late 2012
LaptopMedia Apple MacBook Pro 15 (Mid-2015) [Specs and Benchmarks] - LaptopMedia.com
Apple MacBook Pro: RAM upgrade (HowTo)
Apple 15-inch MacBook Pro with Retina Display (mid-2015): Force Touch trackpad and faster SSD, but no Broadwell | ZDNet
SSD Upgrades for 2013, 2014, and 2015 MacBook Pro
MacBook Pro 15" Retina Mid 2015 Logic Boards - iFixit
MacBook Pro 15" (2015) - QWERTY - English (US) Retina - Core i7 - 2.5 GHz - SSD 512 GB - RAM 16GB | Back Market
Buy 2015 Apple MacBook Pro Core i7 2.5 15" Dual Graphics 16GB RAM
New model, two-year-old processor: The 2015 15-inch Retina MacBook Pro reviewed | Ars Technica
MacBook Air 11" (2013-2015) 13" (2013-2017) MacBook Pro Retina 13" and 15" ( 2015) SSD - Fasttech