NGFF M.2 PCIe SSD Card as 2013 2014 2015 MacBook SSD [ST-NGFF2013-C] - $11.99 : Sintech Eshop!, The World of PC Adapter Card
2013-2016 Mac SSD : Sintech Eshop!, The World of PC Adapter Card
Amazon.com: Sintech USB 3.2 Type C External Case, Compatible for 28Pin SSD from MacBook Air(Mid 2013-2016) and MacBook PRO(Late 2013 - Mid 2015),Support nVME SSD if with M.2 Card ST-NGFF2013 : Electronics
Amazon.com: Sintech NGFF M.2 nVME SSD Adapter Card for Upgrade 2013-2015 Year Macs(Not Fit Early 2013 MacBook Pro) (Black) : Electronics
Upgrading 2013/2014 Macbook Pro SSD to M.2 NVMe | Page 40 | MacRumors Forums