DollaBill

I have a gaming rig with an i7 4790k, 16gb ram, 750W PSU, MSI Z97 MOBO and a GTX 970. I've wanted to upgrade to a better gpu mainly for future proofing purposes. With my current specs could I smoothly upgrade to a GTX 1080 with out issue or bottleneck? (I know this is probably a simple question but I get paranoid and like to cover all my bases before doing something)