In Open Broadcaster Software, in the encoding settings, I have the option to use NVENC encoding with an NVidia graphics card. I was considering getting a cheap, low power, nvidia graphics card like a GT 610 and have it run alongside a gtx 970, where I have the GTX 970 render the game and the GT 610 render the video, so that I dont use the cpu or graphics card power. Is this theoretically possible? Thanks.