Patriot P400 Lite Series - M.2 2280 PCIe Gen4 x4 Solid State Drive
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 :
Western Digital Wd Green 240gb Pcie Nvme M.2 2280 (WDS240G2G0C) | BlueDogInk.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
Crucial BX500 240GB 3D NAND SATA 2.5-inch SSD | CT240BX500SSD1 | Crucial.com
Kingston Data Center DC1000B - SSD - 240 GB - PCIe 3.0 x4 (NVMe) - SEDC1000BM8/240G - Solid State Drives - CDW.com
OWC 240GB Accelsior 1M2 NVMe PCIe SSD at MacSales.com