x4 PCI Express to M.2 PCIe SSD Adapter - Drive Adapters and Drive Converters | Hard Drive Accessories | StarTech.com Europe
Can this configuration work on the PCIE slots? : r/pcmasterrace
Amazon.com: 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) : Electronics