Expansion Backplane, 5 PCIe x16 slots

PCIe slot, but it will only function at speeds An RTX 3050 only has 8 physical PCIe lanes, so if you install one into a PCIe x16

MPG Z790 CARBON WIFI, LGA 1700, 1x PCIe slot, 1x PCIe x16 slot, 1x PCIe x1 slot, Dual Channel DDR5 7600+MHz · CPU socket LGA1700 · RAM use

pcie 4 m2 in pcie 3 slot connection This means you can use PCIe cards in older PCIe slots, though they

pcie 4 gpu in pcie 3 slot 1 x PCIe PCIe 3 x PCIe Gen5x8 2 x PCIe Gen5x8 1 x Power Phase, Chipset, Memory, Slots, Multi-GPU, Graphics, Audio, Network, RAID