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M.2 NVMe SSD NGFF TO PCIE 3.0 x16 x8 x4 Adapter M Key Interface Card Full Speed | eBay
Amazon.com: A ADWITS PCI Express 3.0 x16 to PCIe-Based NVMe and AHCI SSD Adapter Card with Heat Sink, Fits M.2 (NGFF) Form Factor with Key M in Size 2230/2242/2260/2280 : Electronics
Bifurcation on PCIe* 3.0 x16 Intel® NUC 9 Extreme/Pro Kits