How Many Watts Does a Power Supply Need?

This post has been sitting in my queue for a little too long, but maybe it helps someone out there. In 2016 I last upgraded my PC and went for a beefy system that would speed up my renders and game engine lighting builds (in this case, the more cores, the better).

I went for a dual socket motherboard and two Xeon CPUs rated at 130 Watts each. And I added the back then top-of-the-line GPU, an NVidia GeForce GTX 1080, rated at 180 Watts.

Picture of a dual CPU motherboard with water coolers mounted on a table-like wood construction

So how big should my PSU be?

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