The MSI RTX 2070 Super 8GB GDRR6 256-Bit HDMI/DP Nvlink Twin-Froze Turing Architecture Overclocked Graphics Card is a top-of-the-line component for PC building.

Other parts:

Ryzen 5 3600 with Fan
Corsair Vengeance DDR4 3000mhz
B450 Tomahawk max
Corsair 750w TX750M PSU
MSI Gaming X 2070 Super
TP-Link AC1200 Network card