Surprise! iFixit says you can't do much to fix or upgrade the 2015 MacBook | Ars Technica
How To Upgrade RAM On MacBook Air? - YouTube
Apple 13in Retina MacBook Pro review (2.7GHz, 256GB, Early 2015) | Macworld
A-Tech 16GB Kit (2x8GB) RAM for Apple MacBook Pro (Mid 2012), iMac (Late 2012, Early/Late 2013, Late 2014, Mid 2015), Mac Mini (Late 2012) | DDR3 1600MHz PC3-12800 SODIMM 204-Pin Memory Upgrade at Amazon.com
2017 21.5-inch 4K iMac memory upgrade kit includes 32GB of RAM, tools to take it apart | AppleInsider
Apple Macbook Pro 13 (2015) Laptop | i5 + 8GB RAM + 128GB SSD | MacOS Monterey | eBay
SSD Upgrades for 2013, 2014, and 2015 MacBook Pro
How to Upgrade the SSD in a 13-inch MacBook Pro w/ Retina display (Late 2013 - Early 2015) on Vimeo
Surprise! iFixit says you can't do much to fix or upgrade the 2015 MacBook | Ars Technica
Restored Apple Macbook Pro 13.3-inch (Retina) 2.7Ghz Dual Core i5 (Early 2015) MF839LL/A 128GB SSD 8 GB Memory 2560x1600 Display Mac OS X v10.12 Sierra Power Adapter Included (Refurbished) - Walmart.com
Memory RAM Upgrade for Apple MacBook Pro 15-inch Mid 2012 4GB/8GB DDR3 SODIMM | eBay
Apple MacBook Pro: RAM upgrade (HowTo)
How to increase RAM on MacBook Pro - Quora
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