Feature

Power supply ratings explained: 80 Plus Platinum vs. Gold vs. Bronze vs. White

The names of precious metals imply an overall level of quality, but they really only tell part of the story.
Close up of 80 Plus Gold rating logo on an EVGA 1050W power supply
Alaina Yee / IDG

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Alaina Yee is PCWorld's resident bargain hunter—when she's not covering PC building, computer components, mini-PCs, and more, she's scouring for the best tech deals. Previously her work has appeared in PC Gamer, IGN, Maximum PC, and Official Xbox Magazine. You can find her on Twitter at @morphingball.

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