Using a PCIe x1 card in a PCIe x16 slot

Yes, all PCI-E x1 cards will run in a x4, x8 and x16 slot I ran my wireless PCI-E x1 card in the 3rd x16 slot in my Maximus Extreme Quote

While the physical slots will take PCIe Gen 3 or 4 modules and be seen by the system, it doesn't have the bandwidth to fully support that many

canada post slot of doom Please Note:- You cannot connect the GPU Riser to your USB port The usb cable is just used

candy burst pg slot Yes it can be done, provided that motherboard manufacturers provide a space between the slots big enough for your x16 expansion card to fit