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Thread: Quiet PSU

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    Oh Crumbs.... Biscuit's Avatar
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    Quiet PSU

    Just out of interest really... not any actual purpose to this post.

    What is the quietest PSU @ around 500-600w? Scan dont seem to include dB changes in thier spec list and just wondered if anyone knows where you can find out or if they have any details themselfs?

    Also does anyone know of any completely silent fanless PSUs that are worth their money?

  2. #2
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    When it comes to quiet computers always give silentpcreview a look. They give reliable sound readings (and comment on sound characteristics) of PSUs at different loads. See here.

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    You won't go far wrong with a Corsair HX520 or HX620.

    Buying a PSU with a bit of spare capacity, so you're not pushing it too hard, will also help with noise. Pushing a PSU hard will increase temps which will of course increase fan noise as they're temperature controlled.

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    Flak Monkey! Dorza's Avatar
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    Quote Originally Posted by Phil_P View Post
    You won't go far wrong with a Corsair HX520 or HX620.
    I agree, I was amazed at how quiet modern PSUs are when I installed a HX520 last week. Plus you get those 105 degree centigrade capacitors with it (most are 85 iirc). Not to sure if that makes much of a difference though tbh.

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    Those Corsair models are made by seasonic who have been at the forefront of quiet PSUs for ages. You cant go wrong with them. You'll see they top SPCRs list of 400w+ PSUs.

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    With regards fanless power supplies I believe the following are supposed to be very good

    Silverstone Night Jar 300W
    FSP/Fortron Zen 300W

    I think both now come in 400 Watt models as well.

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  8. #7
    Oh Crumbs.... Biscuit's Avatar
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    Quote Originally Posted by amjedm View Post
    With regards fanless power supplies I believe the following are supposed to be very good

    Silverstone Night Jar 300W
    FSP/Fortron Zen 300W

    I think both now come in 400 Watt models as well.
    Would be nice in a HTPC

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    Lover & Fighter Blitzen's Avatar
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    Quote Originally Posted by Phil_P View Post
    You won't go far wrong with a Corsair HX520 or HX620.

    Buying a PSU with a bit of spare capacity, so you're not pushing it too hard, will also help with noise. Pushing a PSU hard will increase temps which will of course increase fan noise as they're temperature controlled.
    ]
    Same old story im afraid.
    They arent that quiet either tbh

  10. #9
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    • amjedm's system
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    Quote Originally Posted by Biscuit View Post
    Would be nice in a HTPC
    Still need a bit of airflow so will need a fan, but the setup can still be quiet.

    Quote Originally Posted by Blitzen View Post
    ]
    They arent that quiet either tbh
    Are you referring to the Corsair?

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