PCIE GPU on PCIE MOBO

PCIE GPU on PCIE MOBO which gpu slot to use There is no work around other than use the Windows Generic driver I am not sure if this is due speed issues or lack of enough power on the PCIe slot, even which slot is for fabric softener A dual slot GPU will take up two slots on the motherboard and case These graphics cards are most likely to be longer and wider compared to

which slot is for fabric softener If you ever looked at a PCI to PCIe x16 adapter and wondered what'd happen if you were to stick a modern PCIe GPU in it,

which expansion slot is used by an nvme compliant device Now for the question, I see lots of back panel USB cards for PCIe slots But can you plug that card into a PCI-Ex16 slot AND have it work? Similarly, you can insert a PCIe x8 card into a PCIe x4 slot, but it'll only work with half the bandwidth compared to if it was in a PCIe x8