Windows 10 Pro (1803)
CPU: Ryzen 7 1700 (happens with both OC and stock)
RAM: G.Skill Flare X DDR4-3200 (happens with both OC and stock)
Motherboard: Asus Crosshair VII Hero Wi-Fi
GPU: MSI RX 480 Gaming X 8G (stock)
SSD: WD Black 256GB NVMe
HDD: 2x WD Red 8TB (white label) / 1x HGST 7k3000 / 1x HGST 7k4000
PSU: Seasonic Prime Platinum 850W

Warning the follow is going over thought process of trouble shooting a computer: