Please forgive me if this is a stupid question, but if I were to get a gtx 1080 could I use it in an x16 slot along with my 980 hybrid? I'm not talking about SLI. I thought maybe if it were possible, the 1080 could do the gaming @ 4k and the 980 could be processing the encoding with NVENC. It seems feasible as long as the game has the GPU selected as 1080 and there's no SLI bridge.