Would connecting a PCIe GPU to a PCIe port affect

PCIe vs PCIe can you run pcie 4 0 in 3 0 slot 1 Will a PCIe work in a PCIe slot? Yes, it will As mentioned before, PCIe devices are usually both backward and forward-compatible can you beat slot machines It should be backward compatible, but you will see less performance than if you had it in a PCIe slot since it runs at PCIe x8 instead

cancan saloon slot no you can perfectly put a gpu with PCI-E into a newer mobo that supports higher bandwith with ofcourse you won't be using the max