13 inch MacBook Pro Retina A1502 - 2.9Ghz i5 Logic Board 16GB RAM - Early 2015 - TEKDEP
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 13" Retina Display Early 2015 Teardown - iFixit
MacBook Pro with Retina display review (13-inch, 2015) | Engadget
MacBook Pro (Retina, 13-inch, Early 2015) Upgrade to NVMe M.2 SSD - YouTube
Apple MacBook Pro Retina 13 (Early 2015) Notebook Review - NotebookCheck.net Reviews
MacBook Pro 13-inch with Retina display (early 2015) review | TechRadar
Timetec 16GB KIT(2x8GB) Compatible for Apple Late 2015 iMac (27-inch w/ Retina 5K Display)
Apple MacBook Pro (15-inch, 2015) review: Old-school MacBook Pro is good for the dongle averse - CNET
A-Tech for Apple 16GB Kit (2x 8GB) DDR3 1600MHz PC3-12800 204-pin SODIMM MacBook Pro (Mid 2012 13”/15”), iMac (Late 2012, Early/Late 2013, Late 2014, Mid 2015, 21.5”/27”, Retina 5K) Memory RAM Upgrade at Amazon.com
OWC 16GB (2x8GB) ram Upgrade PC3-12800 DDR3L 1600MHz sodimm 204 Pin CL11 Memory Upgrade Kit Compatible with Late iMac, Mac Mini, and MacBook Pro Computer at Amazon.com
Apple 13in Retina MacBook Pro review (2.7GHz, 256GB, Early 2015) | Macworld
Can I upgrade the RAM of the MacBook Pro 13' Retina from 8gb to 16gb after/during purchase? - Quora