use both PCIE x16 gen4 and gen3

Actually, you can install your ssd in the _1 slot and still have your gpu run at x16 as AlderlakeRaptorlake cpu's have 20 pcie lanes or 16 pcie

You can use any PCI device on newer PCIe slots PCIe slots are compatible with previous generation cards Additional Information While

can f1 student apply for dv lottery All 11th gen and 12th gen and accordingly 500600 series mainboard support PCIE , it's nothing special and not rare Also most GPUs don't

candy crush slot SSD can technically be used on a PCI-E slot MSI MAG B660M The heightened power delivery of Gen 4 also means your GPU can