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Super Flower Golden Silent 500 W

crmaris

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Today we have a chance to test the Super Flower Golden Silent SF-500P14FG, a fanless power supply with 500W capacity which can be overclocked to 600W. In order to achieve this, the PSU will drop a bit in effiency: from Platinum to Gold.

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Jonap_1st

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Super Flower Golden Silence

very impressive....... name,
& very nice performances too.
 
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Somewhat unrelated but these high efficiency supplies get me thinking just how much does input power affect efficiency? The average socket output in the US can vary quite a bit. I've seen as low as 114v and mine personally runs at 125v. Does this add or subtract a bit of efficiency? If so then what are these units run on when they're being rated? 120v?
 

crmaris

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115V - 230V efficiency difference is 1-1.5% in favor of the latter. 110V - 125V efficiency difference I suppose is too small in favor of 125V.

80 Plus to the best of my knowledge tests at 115V, the nominal voltage of the US power grid.
 
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