GLOTRENDS M.2 PCIe X1 Adapter with M.2 Screw for M.2 PCIe 4.0/3.0 SSD (NVMe/AHCI Key M), PCIe X1/X4/X8/X16 Lane Installation, but Only PCIe X1 Bandwidth (PA09-X1) - Newegg.com
Dual NVMe PCIe Adapter, RIITOP M.2 NVMe SSD to PCI-e 3.1 x8/x16 Card S
Amazon.com: NVME PCIe x16 Adapter, ELECTOP M.2 Key-M SSD to PCI 3.0 Express Expansion Card, Support 2230/2242/2260/2280 with Heat Sink, Compatible with Windows XP / 7/8 / 10 & MAC OS System : Electronics
Amazon.com: 2.5-Inch U.2 Nvme Drive to PCI Express X16 Slot Card or SATA III SSD/HDD PCI Mount : Electronics