
Related: The 5 Best Online Power Supply Calculatorsīut here's the thing about PSUs. When you plan out a PC's construction, you have to add up all these maximums and then purchase a power supply with a rating higher than that.įor instance, if your PC draws 520 watts when everything is firing at maximum, you can get a 600 watt PSU to cover the demand and ensure your PC doesn't suffer from power cuts. A PSU supplies power to the computer, and more expensive PSUs will supply more power.Įvery component in your PC has a maximum energy rating. The "80 Plus" text does have some significance as to what the PSU can do, but to understand where it fits, we have to break down how a PSU works. The next level up from that is Bronze, followed by Silver, Gold, Platinum, and then Titanium at the very top. All of them sport the text "80 Plus" but come in different styles and colors.Īt the lowest end of the bracket is a plain "80 Plus" sticker with no additional text.

You'll see a power supply rating somewhere on the PSU's box or somewhere on the unit itself.
