Apple MacBook Pro (15-inch, 2013) review: Apple's high-end laptop gets better battery life and a lower price - CNET
How to Upgrade MacBook Pro RAM (2009, 2010, 2011, 2012): EveryMac.com
How to Upgrade RAM on MacBook Pro, iMac & More | AVG
MacBook Pro (Retina, 15-inch, Late 2013) - Technical Specifications
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
Retina, round two: Apple's 15-inch 2013 Retina MacBook Pro reviewed | Ars Technica
Apple Macbook Pro A1398
Macbook Pro 15 Late 2013 Ram Upgrade Hotsell, SAVE 46% - piv-phuket.com
Upgrading Ram in a Macbook Pro 13" | How to Upgrade Ram on 13" Macbook Pro - YouTube
MacBook Pro Retina 15-inch Late 2013 A1398 16GB RAM 1TB SSD | eBay
MacBook Pro: How to remove or install memory - Apple Support
How to upgrade Apple MacBook Pro RAM - YouTube
Macbook Pro 15-inch, Retina Core i7 / 2.3GHz / 16GB RAM / 512GB SSD, Late 2013 | eBay
Late-2013 15-Inch Retina MacBook Pro Review: Apple's High-Performance Notebook Tops The Field | TechCrunch
16GB MacBook Pro RAM Upgrade (2011/2012/2013) - YouTube
MacBook Pro Late 2013 - A Much Needed Upgrade - YouTube
Is there a way to upgrade the RAM in an early 2015 MacBook Pro without voiding the warranty? - Quora
SSD Upgrades for 2013, 2014, and 2015 MacBook Pro
2013 Apple MacBook Pro Core i7 2.8 15" Dual Graphics Retina Early 2013 - ME698LL/A - MacBookPro10,1 - A1398
MacBook Pro - Wikipedia
A-Tech 8GB Kit (2x4GB) PC3-12800 DDR3 1600MHz SODIMM Memory ram Upgrade for Apple MacBook
15" 15 Inch Retina MacBook Pro A1398 Mid 2015 Complete Disassembly (Almost) SSD Upgrade - YouTube
MacBook Pro (Retina, 13-inch, Late 2013) - Technical Specifications