PCI Express x16 vs x4 , Any difference in gpu performance

What Are PCIe and ? can i put pcie x4 in x16 slot Two types of PCIe slot on an Asus H81M-K motherboard Various slots on a computer motherboard, from top to bottom: PCI Express x4; PCI Express x16; PCI Express candy burst slot png PCIe slots allow your motherboard to connect with your PC's most critical components and provide key functionality

candy bet slot login 7PCIe slots Up to300Wauxiliary power One PCIe x4 gen 3 Apple IO card Four PCIe x8 gen 4 Two single height Two double height Two PCIe x16 gen 4 Double