MacBook Pro: How to remove or install memory - Apple Support
How to upgrade Apple MacBook Pro RAM - YouTube
Apple announces new 15-inch MacBook Pro with Force Touch and other upgrades [Updated] | Ars Technica
Is there a way to upgrade the RAM in an early 2015 MacBook Pro without voiding the warranty? - Quora
Today got this Mid 2015 MacBook Pro 15" Retina , i7@ 2.2GHz, 16gb Ram, 256SSD... ( Not dual gpu ) For $300... Good stuff.... right ? : r/LukeMianiYouTube
Surprise! iFixit says you can't do much to fix or upgrade the 2015 MacBook | Ars Technica
Logic Board for 2015 Apple MacBook Pro Retina i7 16GB, A1398
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
Apple 13in Retina MacBook Pro review (2.7GHz, 256GB, Early 2015) | Macworld