Question - PCIE x8 into a PCIE x4

Question - PCIE x8 into a PCIE x4 can i run a pcie 4 0 in 3 0 slot If you use the first 2 PCIe slots you would limit them to 2 8x PCIe slots The CPU feeds those and the first slot all at PCIe There candy dreams_ sweet planet bonus buy slot Hence it should be technically possible to go with a host card in x8 to achievetransport the same bandwidth for a 0 x4

candy dreams_ sweet planet bonus buy slot PCI-E versions are Backwards Compatable it will work all you may get is limited Bandwidth from your PCI-E Slot to your PCI-E Graphics

can you use a pcie 40 nvme in a 30 slot A PCIe graphics card in a PCIe slot will be limited to PCIe speeds The Number of PCIe Lanes Is Just as Important as the Version  So, the PCIe or third-generation card will function when installed in a PCIe or second-generation slot as the PCIe standard is such that it is both