How can I tell if my PCI-E is using 3.0? I'm running Asus Sabertooth X79, 3930K, 32gb DDR-3 @ 2133 and Asus GTX 680 DC2-4gb. When I look at bus type it states: Bus Type PCI Express 2.0 x16 @ 1.1 x16. Should that state: PCI-E 3.0? I have the card in slot 1.