Understanding PSUs and how much power my system needs?

LambentTyto

Honorable
Nov 6, 2013
33
0
10,530
I'm trying to figure out exactly how many watts my system needs. I've been told to get a 600 watt PSU "to be safe." That's great, but I want to know how many watts my system actually requires to run. How do I do this?

Thanks