Original Motherboard i7 2.0/2.2/2.3/2.5/2.6/2.8GHz 8GB 16GB Ram For MacBook Pro Retina 15" A1398 Logic Board 2013 2014 Years - AliExpress
Macbook Pro(Retina 13inch, Late 2013) up … - Apple Community
macbook pro - Can I upgrade RAM on late 2013 retina Mac Book Pro? - Ask Different
MacBook Pro: How to remove or install memory - Apple Support
Review Apple MacBook Pro Retina 13 Late 2013 Notebook - NotebookCheck.net Reviews
Apple MacBook Pro 13" Logic Board A1502 2015 2.9GHz i5 8GB RAM 820-4924-A | eBay
Amazon.com: Odyson - Logic Board 2.8GHz Core i5-4308U, 8GB RAM Replacement for Apple MacBook Pro 13" Retina A1502 (Late 2013, Mid 2014) : Electronics
A-Tech 8GB Kit (2x4GB) 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
Amazon.com: Odyson - Logic Board 2.8GHz Core i7-3840QM, 16GB RAM Replacement for Apple MacBook Pro 15" Retina A1398 (2012-Early 2013) : Electronics