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Old August 23, 2009, 08:21 PM
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Talking So, can you water cool a psu?

Not like those stupid no name cpu's, something like a good psu? I never noticed how loud the psu can get.

If that's too extreme, then is it recommended to replace a psu's fan?
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Old August 23, 2009, 08:28 PM
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Koolance has liquid cooled PSU, but I wouldn't use those. Just pick up a highly efficient PSU, like the new HX850, or the Enermax Revolution85+ series. Their fans are very quiet.

If you MUST switch the fan on your PSU (despite the warranty voiding), go for a noctua P12 for quietness
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Old August 23, 2009, 08:33 PM
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Actually the Scythe Gentle Typhoons are the king of silence it seems. About the same price as Noctuas as well.

And if you do open up your PSU to change the fan, be very, very careful. Should let the PSU sit unplugged for a few days too so the capacitors aren't charged as much.
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Old August 23, 2009, 08:35 PM
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I guess it would be possible if you connected heatpipes to the cover of the PSU and used some HDD cooling blocks....
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Old August 23, 2009, 08:40 PM
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Well, you can connect blocks to the internal heatsinks but you need to make sure you use something thermally conductive, but not electrically conductive. Not unlike the thermal pads that come on the heatsinks for the back of your CPU socket or GPU(on the backsides of the boards)
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Old August 23, 2009, 08:40 PM
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ah no official stuff :(
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Old August 23, 2009, 09:22 PM
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There have been several gimmick psu's offered with barbs for wc, but its all bullcrap.

Be VERY careful with psu's! Before taking it out to change, unplug the power cord, and press the power button on your PC, while the psu switch is STILL ON. That should drain all caps. I was knocked out cold for several minutes when i got a shock from life heatsinks (who the f had that genius idea) on a server psu. VERY unpleasant experience.
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Old August 23, 2009, 09:39 PM
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Practically speaking, it's almost impossible to get a waterblock up against all the individual heat-producing components in a PSU, and the thermal transfer would be too poor if you tried in-direct cooling via cooling the heatsinks.

Replacing the fan is an option, but you have to be careful to use a fan that will start at the PSU's minimum voltage. You also need to spec the fan so that it's capable of cooling the PSU adequately. With the average PSU, however much power your computer is using, another 25% of that amount is turning into heat right inside the PSU and needs to be rejected.
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Old August 25, 2009, 06:30 PM
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You could always submerse it in Mineral oil. that's kind of liquid cooling.... altho a bit extreme.
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Old August 26, 2009, 08:39 PM
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Quote:
Originally Posted by Overclocker~4.1
You could always submerse it in Mineral oil. that's kind of liquid cooling.... altho a bit extreme.
yes that the only way to liquid cool a PSU for the heatsinks are live
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cool , fan , power supply , psu , water cool

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