iFixit tears the 2013 Mac Pro asunder, finds an actually repairable Mac | Ars Technica
2013 Mac Pro teardown reveals Apple's first easily repairable computer in years | Extremetech
iFixit tears the 2013 Mac Pro asunder, finds an actually repairable Mac | Ars Technica
Logic Board 661-7527 -Mac Pro 2013 6,1 A1481 ME253LL/A MD878LL/A - Part Haven
MacBook Pro 15" Retina 2.8GHz Logic Board, Early 2013 - 661-7387 661-7390
Original A1481 Motherboard 661-7527 For Mac Pro A1481 Interconnect Board Logic Board 820-3637-A Late 2013 - AliExpress
Amazon.com: 820-3787-A Logic Board for MacBook Pro Retina 15in 2013/2014 with AMD Graphic : Electronics
LOGIC BOARD CPU RISER CARD - Apple Mac Pro A1481 Late 2013 820-5494-A | eBay
MacPro 2013 Logic Board - Mac Pro Logic Boards - Desktop Motherboard - Apple Motherboard - Logic Board - Apple Parts - Apple Computers, Parts and Accessories
Mac Pro 2013 Logic Board | eBay
A1425 Logic Board (2.9GHz Core i7 8GB RAM) for Apple MacBook Pro Retina 13 inch (late 2012, Early 2013)