There ' s a button in the province view to add province to the HRE , doing this to your capital will make you a memberYou ' ll have to be best buds with the emperor though <| sep |> except for the part where they are available right now <| sep |> PCIE x 16 longest connector is pretty much just used for graphics cards In gaming builds , and PCIE x 8 , x 4 , and 1 x is used for sound cards , capture cards , USB expansion cards , etc . Thing is any PCI x 8 , x 4 , and x 1 shorter connector cards can be used in a PCIE x 16 slot , but not the other way around . Generally , most ATX sized boards have 3 PCIE x 16 slots , and a few other PCIE x 8 , 4 x , and 1 x slots . PCI is the predecessor to PCIE , so you won ' t fine them on any newer boards . Here ' s a picture outlining it .