use both PCIE x16 gen4 and gen3

Can you put PCIe x 16 GeForce GTX 1070 into PCIe x 16 slot? can i run a pcie 4 0 in 3 0 slot YES is the short and simple answer to whether a PCIe device can work in a PCIe slot You can plug a PCIe device, like a graphics candy slot A PCIe graphics card will work in a PCIe motherboard slot at PCIe speeds For PCIe graphics cards, maximum graphics throughput

canlı slot Pre-X570 boards will not support PCIe Gen 4 There's no guarantee that older motherboards can reliably run the more stringent signaling