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 :
M.2 NGFF M Key SSD to PCIe PCI Express 3.0 Host Adapter Card ...
x4 PCI Express to M.2 PCIe SSD Adapter - Drive Adapters and Drive Converters | Hard Drive Accessories | StarTech.com Europe
RIITOP M.2 Nvme SSD to PCI-e x4 Adapter Card Converter Support M.2 NGF
SSD 950 PRO NVMe 512GB Memory & Storage - MZ-V5P512BW | Samsung US