Bifurcation x4 into two times x2

Does PCIe x16 slot, running at x4 mean this x16 slots x4 slot 1) First is simply looking at the motherboard, many times printed on the PCB near the PCIE slot is the actual X4 or X16 or whatever it happens x4d slot slot with x4 PCIe Gen3 Key M slot with x2 PCIe Gen3 Key E slot, 1 x4 + 3 x1 USB*, USB Type-C connector: 2x USB

slot machine telegram For the sake of completeness: Unless you're doing weird things like bifurcating a slot and using it for multiple devices (which requires