@grave this is a good question I dont remember right now what mine is set to. Keep in mind I dont use motherboard audio if this makes a diffrrence. Im at work now so Ill have to hit you up when I get home in 2 hrs.
My PC -
i7-6900K Processor (8-cores, 20MB Cache Overclocked to 4.2 GHz)
Dual NVIDIA GeForce GTX 1080 (Founders Edition) w/HB Bridge & 8GB
Creative Sound BlasterX AE 5 Audio Card
512GB SSD MAIN + 4TB Data Storage (Sandstorm on SSD)