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
2.7 GHz 16GB RAM Logic Board 820-4924-A for MacBook Pro 13" Retina A1502 2015 | eBay
Restored Apple Macbook Pro, 13.3-inch Laptop (Retina), 2.7Ghz Dual Core i5 (Early 2015) MF839LL/A 256 GB SSD, 8 GB Memory, 2560x1600 Display, Mac OS X v10.12, Sierra Power Adapter (Refurbished) - Walmart.com
Apple MacBook Pro Retina 13 (Early 2015) Notebook Review - NotebookCheck.net Reviews
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
2015 Apple MacBook Pro 13 Retina | 3.1GHz Core i7 16GB RAM 1TB SSD | eBay
Apple 13in Retina MacBook Pro review (2.7GHz, 256GB, Early 2015) | Macworld
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
16GB MacBook Pro RAM Upgrade (2011/2012/2013) - YouTube
How to upgrade Apple MacBook Pro RAM - YouTube
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