First off, my hardware:
Intel i7 7700
NVidia GTX 1080
16 GB Memory
Gigabyte Z270-Gaming K3
1TB magnetic drive
The problem:
GPU runs @40% resulting in very poor FPS in games.
Also, I don't know whether related or not, while booting up the system, the dark pre-BIOS screen lingers for 3-4 minutes...