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Power to the PC: How to Select a Computer Power Supply

Sep 16, 2010, 17:04 (0 Talkback[s])
(Other stories by Paul Ferrill)

"Power supplies are one of those things you don't think about until yours dies. If you've been using personal computers for a while, there's a pretty good chance you've had a power supply fail on you. It's probably not as common as it once was, but that crisis does still happen. The other issue for some is what to do if you want to upgrade your graphics capabilities but don't have a sufficiently beefy power supply?

"We'll try to answer questions like how does one choose a power supply; how do I size one; what are rails; what is "modular"; what does "green" mean; and what is "certified" and does it matter. We'll do that by looking at a number of vendors and how they help you choose one of their products."

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