What you have SHOULD run it no problem BUT would should and what does aren't always reality, I'm not a big fan of the format YouTube seems to run, Seems when a video is loaded on you tube and one of the other sites that host it seems you tube always seems to run not a smooth and doesn't even load fast so it's always pausing to catch up where other sites seem to run smooth and load fast. It might be that there is some processing needed with YouTube videos and the GTX970 is a great card although for gaming it is great up to 1080p but struggles with 4K in gaming. But streaming video it's a beast.