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 :
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
Crucial BX500 240GB 3D NAND SATA 2.5-inch SSD | CT240BX500SSD1 | Crucial.com
Amazon.com: KingDian mSATA Mini PCIE 240GB SSD Solid State Drive (30mm*50mm) (M280 240GB) : Electronics
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