Surprise! iFixit says you can't do much to fix or upgrade the 2015 MacBook | Ars Technica
How to do an easy MacBook Pro RAM upgrade
Apple MacBook Pro with Retina Display (13-inch, 2015) review: Apple's 2015 MacBook Pro is still around for those who want fewer dongles - CNET
Upgrading Ram in a Macbook Pro 13" | How to Upgrade Ram on 13" Macbook Pro - YouTube
Logic Board for 13" MacBook Pro A1502 Early 2015 i7 3.1GHz 16GB RAM 820-4924-A | eBay
Can You Upgrade the RAM in Your Mac?
How to upgrade a Mac: Swap in new RAM, graphics card, hard drive and more | Macworld
How To: Replace the SSD in your MacBook Air 13" (Early 2015) - YouTube
Amazon.com: 3.1 GHz Core i7 (I7-5557U) 8GB RAM Logic Board 820-4924-A for Apple MacBook Pro Retina 13" A1502 2015-90 Days Warranty : Electronics
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
MacBook Pro (Retina, 15-inch, Mid 2015) - Technical Specifications
How to upgrade RAM on a MacBook Air - Quora
2015 13-inch MacBook Pro With Retina Display Review | TechCrunch
Is there a way to upgrade the RAM in an early 2015 MacBook Pro without voiding the warranty? - Quora
Install 16GB RAM Upgrade on Macbook Pro 15" in under 5 minutes - YouTube
MacBook Pro with Retina display review (13-inch, 2015) | Engadget
MacBook Pro 15" (2015) - QWERTY - English Retina - Core i7 - 2.2 GHz - 4 TB SSD - RAM 16GB | Back Market
2015 13-inch MacBook Pro With Retina Display Review | TechCrunch
OWC 32GB (2x16GB) PC3-12800 DDR3 1600MHz SO-DIMM 204 Pin CL11 Memory Upgrade Kit Compatible with 2015 iMac (OWC1600DDR3S32P) at Amazon.com
MacBook Pro with Retina display review (13-inch, 2015) | Engadget
How to Upgrade RAM on MacBook Pro, iMac & More | AVG
How to use an NVMe drive to upgrade your Mac's SSD | AppleInsider
MacBook Air 11" Early 2015 Teardown - iFixit
Apple Macbook Pro 13 RETINA 2015 2.7GHz i5 / 16GB RAM / 500GB SSD WARRANTY | eBay