MacBook Pro 13" Retina Display Late 2013 Teardown - iFixit
Upgrading 2013/2014 Macbook Pro SSD to M.2 NVMe | MacRumors Forums
820-3437-B A1466 Logic Board for Apple MacBook Air 13 inch A1466 (Mid 2013 – Early 2014) with Intel Core i7 1.7Ghz 8GB RAM MD760LL/A* MD760LL/B* - WIT Computers
16GB MacBook Pro RAM Upgrade (2011/2012/2013) - YouTube
A1502 Logic Board (2.4GHz Core i5 4GB RAM) for Apple MacBook Pro Retina 13 inch (Late 2013 Mid 2014)