What are the standard PCIe sizes?

PC Card Slot Types pcie x32 slot Would i be right in thinking that a x32 can only slot one video card? I ask because i am unfamiliar with the PCI-E X32 slots pcie x1 in x16 slot The PCI Express slot commonly used for graphics cards is typically an x16 slot, which is one of the fastest connections on a motherboard

pcie 30 in 40 slot x32, where 32-bit PCI , PCI Express x1 and PCI Express x16 It is clear that the PCI Express x16 adapter will not physically fit in the PCI x1 slot