MacBook Pro 13" Retina 2.6GHz Logic Board, Early 2013 DIY Parts replacement Logic Boards
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
820-3332-A - Early 2013 MacBook Pro 15" Logic Board (2.4GHz i7 + 8GB RAM) | eBay
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Original A1990 Logic Board i7 i9 Ram 16GB 32G 256G 500G 1TB For MacBook Pro Retina 15" A1990 Motherboard 2018 2019 Years - AliExpress
iFixit Launches Repair Guides for Retina MacBook Pro - MacRumors
MacBook Pro: How to remove or install memory - Apple Support
How to upgrade a Mac: Swap in new RAM, graphics card, hard drive and more | Macworld
Early 2011 MacBook Pro RAM Upgrade – Hack-the-Planet
macbook pro - Can I upgrade RAM on late 2013 retina Mac Book Pro? - Ask Different
16GB MacBook Pro RAM Upgrade (2011/2012/2013) - YouTube