I have built a rig using the following:
CPU: Ryzen 7 3700x
PSU: Corsair RM1000x
RAM: Corsair Vengeance LPX 16GBx2
GPU: Gigabyte Geforce GTX1060
I have set everything up, mounted everything correctly (as far as I am aware), plugged in 24 pin and 8 pin power cables to mobo.