USB PCIe card in x16 slot?

PCIe slot shenanigans 16x pcie slot if the slot is open like that, you should be good to go if it's not open, you could a) use another riser to adapt the x8 to x16, or b) 777 slot free A x8 card will work in an x1 slot, but will be limited to x1 speeds A x8 card will also work fine in a x4 slot It will be limited to x4 speeds

77777 jackpot slot machine Connect a low profile x16 PCI Express Card to an x1 slot · x16 lane PCIe slot connector to x1 lane · Designed to properly mount a low profile card into a full