MacBook Pro 2013 15 inch 2.6GHz i7 16GB RAM Dual GPU - Techable
A-Tech 8GB 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
A1398 Logic Board For 15" MacBook Pro Late 2013 Models
MacBook Pro 13" Retina (Late 2013) 2.6 GHz Logic Board
Upgrading Ram in a Macbook Pro 13" | How to Upgrade Ram on 13" Macbook Pro - YouTube
Review Apple MacBook Pro Retina 13 Late 2013 Notebook - NotebookCheck.net Reviews
MacBook Pro 13" Retina (Late 2013) 2.4 GHz Logic Board
A1502 13" MacBook Pro Retina 2.4Ghz i5 / 8GB RAM Logic Board Late 2013 | eBay
15" Apple MacBook Pro Retina 2.2GHz i7 16GB RAM 2014 A1398 AS IS WORKING! | eBay
Apple MacBook Pro (15-inch, 2013) review: Apple's high-end laptop gets better battery life and a lower price - CNET
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
2013 Apple MacBook Pro Core i7 2.8 15" Dual Graphics Retina Early 2013 - ME698LL/A - MacBookPro10,1 - A1398