NeweggBusiness - Dual M.2 PCIe 4x Adapter for SATA or PCIe NVMe SSD with Heatsink, RIITOP M.2 SSD NVME (M Key) and SATA (B Key) 22110 2280 2260 2242 2230 to PCI-e
The Dell 4x m.2 PCIe x16 version of the HP Z Turbo Quad Pro
Riser PCIe 4x Extension Cable M2 M.2 NVMe SSD to PCIe x4 adapter cards Riser CARD support PCI-E 3.0 x4 Full Speed R24SF 10CM - Newegg.com
PCIE 4.0 NVME Adapter PCI Express x16 to 4 Port M.2 M-Key NVME SSD Expansion Card Riser Full Speed 256G Support Bifurcation Raid - AliExpress