check pcie slot windows

the ExpressSpecVersion property is the PCIe version, where PCIe 1. login slot 0 = 0 and PCIe 3 0 = 2, etc The integer values for the other properties aren't too hard to find by googling their driver key name, like DEVPKEY_PciDevice_MaxLinkSpeed These properties are for the named device, and not the PCI slot on the motherboard WMI doesn't seem to