PCIe SSD Enclosure for MacBook Air Pro Retina 2013 2014 2015 2016 2017, USB 3.0 to A1465 A1466 A1398 A1502 SSD Adapter with Case (12+16 pin)-Macbook SSD is not included - WIT Computers
Upgrading the new MacBook Pro is still a major pain
15-Inch MacBook Pro With Touch Bar Has Non-Removable SSD - MacRumors
Base Model of 2016 MacBook Pro SSD Isn't Just Super-Fast, It Is Also User Replaceable