Question - PCIE x8 into a PCIE x4

Question - PCIE x8 into a PCIE x4 pcie 4 slot A PCIe x1 slot for example, has one lane PCIe x2 has two lanes, x4 has four, and so forth Unlike the older PCI standard, which can send data pcie 3 slot PCIe: This interface taps into four of your computer's PCIe lanes to blow 2 slot in your motherboard can be wired to support the PCIe

pcie 3 slot PCIe bifurcation PCI Express bifurcated Riser Card ITX to ATX x4x4x4x4

pcie 4 slot veteran68 said: Can anyone confirm or tell me how to confirm that PCI_E3 runs at x4 ?  PCIe x4: This slot has four lanes for data transfer It provides more bandwidth than an x1 slot and is commonly used for various expansion cards, including