Restored Apple MacBook Air (2016) 13.3-inch Intel Core i5 1.8GHz 8GB RAM Mac OS 128GB SSD Bundle: Wireless Mouse, Bluetooth Headset, Black Case (Refurbished) - Walmart.com
Touch Bar MacBook Pro models have non-upgradeable SSDs, seemingly under-sized batteries - 9to5Mac
How to install and remove SSD on Macbook Pro 2016 & 2017 and up A1708 - YouTube
Amazon.com: Deal4GO M-Key 2280 NVMe M.2 SSD Converter Adapter Card for MacBook Air A1465 A1466 2013 2014 2015 2016 2017 MacBook Pro A1398 A1502 2013 2014 2015 2016 : Electronics
Amazon.com: Willhom NGFF M.2 nVME SSD Adapter Card for Upgrade MacBook Air (2013-2016 Year) and Mac PRO(Late 2013-2015 Year) : Electronics
Upgrading your MacBook Air/Pro storage capacity with the OWC Aura Pro SSD
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