NGFF M.2 PCIe M-Key extension card [ST-M2M2PCE] - $13.99 : Sintech Eshop!, The World of PC Adapter Card
Sintech NGFF M.2 nVME SSD Adapter Card for Upgrade MacBook Air(2013-2016 Year) and MacBook PRO(Late 2013-2015 Year) (Black) - Walmart.com
PA-U30M2NVME-B Sintech USB 3.0 M.2(NGFF) nVME SSD External Case With USB 3.1 Type-C connector
Sintech NGFF M.2 nVME SSD Adapter Card for Upgrade MacBook Air(2013-2016 Year) and MacBook PRO(Late 2013-2015 Year) (Black) - Walmart.com
Sintech NGFF M.2 nVME SSD Adapter Card for Upgrade MacBook Air(2013-2016 Year) and MacBook PRO(Late 2013-2015 Year) (Black)
Sintech M.2 nVME SSD Adapter Card Upgrade Kits,Compatible for MacBook Air(2013-2017 Year) and MacBook PRO(Late 2013-2015 Year,iMac
Amazon.com: Sintech M2(NGFF) SATA SSD Card,for Upgrade 24Pin 2012 Year MacBook PRO Retina SSD (Fit M.2 SATA 2280 SSD,Not Fit M.2 nVME SSD) : Electronics
SSD Upgrade with Sintech NGFF M.2 Question- | MacRumors Forums