PCIEX16E-844S | PCIe x16 edge connector to one PCIe x8 and two PCIe x4 Slots riser cable | x16 to x8 and x4 PCIe bifurcation riser cable | PCIEX16E-844S
Mini PCI-E to PCIe 4.0 X16 X4 X1 Slot Extension Cable Wireless Network Riser Adapter Cord M.2 for NVME SSD to Mpcie Full Speed(R63JC Pie4.0 x16)(15cm) - Newegg.com
4 Port NVMe to PCIE Adapter Card M.2 NVME PCIe X16 4X32Gbps M Key Hard Drive Converter Reader Expansion - Walmart.com
PCIe x16 to x1 Extender
NVMe PCIe Adapter with Heat Sink, M.2 NVMe SSD to PCI Express 3.0 Adap – HiWants
M.2 Adapter Pcie X16 M.2 Nvme Ssd Pci e 16x Full speed - Temu