16GB G.Skill DDR3-2400
Sapphire Nitro+ Radeon RX Vega 64
Samsung 850 Pro SSD
I remember a post about a Nvidia control panel setting that might have fixed this but i cant find it.... I didn't get to try it though so i can't vouch for it.
I'm experiencing the same problems with my AMD Radeon card, so i doubt that it's an Nvidia driver issue.