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Which energy efficient psu do you recommend?

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#1 333nnn


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Posted 12 October 2008 - 04:32 PM

I'm shopping for an energy efficient psu because if they really are more energy efficient they could possibly pay for the computer in energy savings. Which energy efficient psu brands would you recommend? A couple brands I saw in the Tiger Direct catalog are Ultra X3 and Corsair. Also, do psu's consume whatever wattage they're rated at or just whatever the computer needs e.g. would a 500 watt psu consume 500 watts even if the computer only needed 300 watts to operate? Thanks for any replies.

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#2 tg1911


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Posted 12 October 2008 - 05:25 PM

Besides Corsair, Silverstone is a good brand, that I can recommend.

The power supply (PSU) will only supply the power that is required.
The PSU rating, is the maximum amount of power it can reliably supply.
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#3 garmanma


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Posted 12 October 2008 - 05:50 PM

Seasonic makes some good ones plus a five year; "no questions asked" warranty. Just save the box
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#4 dc3


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Posted 12 October 2008 - 08:23 PM

Efficiency in electronics is trade off between performance and heat, if a PSU is rated at 450W but only puts out 400W then 11% of this is lost in heat. When looking at a PSU, look at the efficiency rating, a good one will be 80% or better, you will never see one rated a 100%, at least until they produce a super conductor.

My vote goes for PC Power & Cooling.

Edited by dc3, 12 October 2008 - 08:24 PM.

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