Amazon.com: Western Digital 240GB WD Green SN350 NVMe Internal SSD Solid State Drive - Gen3 PCIe, M.2 2280, Up to 2,400 MB/s - WDS240G2G0C : Electronics
Amazon.com: Sedna PCI Express (PCIe) SATA III (6G) SSD Adapter with 1 SATA III Port (with Built in Power Circuit, no Need SATA Power Connector, Best for Mac), SSD not Included :
Fantom Drives External SSD 240GB USB 3.1 Gen 2 Type-C 10Gb/s with PCIe Host Adapter - Silver - Mac - GFORCE 3.1 SSD Series - Walmart.com