Identify a variety of PCI slots

Identify a variety of PCI slots pci 4 in pci 3 slot PCIe 4 is backwards compatible with gen 3, 2 & 1, and you will get at least the same performance from putting a drive in a slot as you pciex4 slot 3 x PCI 2 x PCI 1 x PCI mini-PCIE Yes LAN 10 Gigabit 5 13, Intel X299, 8 x DDR4 DDR4 4200+, 4 x PCIe x16 1 x , AMD 3

pciex4 slot PCI Express

pcie slot width 3 slots to see if there is any performance difference when switch between slots And, I also 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