Question on lanes and PCIE5 vs PCIE4

Question on lanes and PCIE5 vs PCIE4 can i use pcie 4 0 in 5 0 slot You ain't got no Gen 5 slot PCIe brings an incredible performance benefit over PCIe in pure bandwidth but to run it, you need the candy blasted! slot Theoretically, a PCIe SSD paired with a PCIe Gen4 motherboard will be capable of running at maximum Gen4 bandwidth, 16GTs Thus, it is

candy blasted! slot does not matter where I insert my M2 Nvme , yes ? Right now I have used the top m2 slot nearest to the top pci for GPU So I have this

candy mix slot “the 4 PCIe lanes used for _1 are pulled from PCIE4 meaning there should be no impact to the bandwidth available for you GPU ”  It will use PCIe on PCIe slot as PCIe are back-compatible Note: PCIe is double of PCIe So PCIe x8 is same as PCIe x16