View Poll Results: What's your preferred fan configuration?

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  • 80mm

    7 30.43%
  • 120/140mm

    13 56.52%
  • Don't really care

    3 13.04%
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Thread: Your preferred PSU fan arrangement

  1. #1
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    Default Your preferred PSU fan arrangement

    Just curious here, what do you guys think is the better fan size for a PSU? Personally, I actually prefer front and/or rear mounted 80mm fans over a 120mm or 140mm top fan. What you lose in airflow from the fan, you can make up for by the fact that you get an extra 20mm or so for taller heatsinks, no extra resistance or turbulence from re-directing the airflow 90 degrees, and no 'dead zones' directly under the heatsinks.
    No wonder it doesn't work! You installed the coils backwards

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    Default

    But you also make the PSU longer and louder! It is better cooling, but nothing else is better.

  3. #3
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    Are you sure 80 mm fans are louder? The main problem is the lack of decent psus with 80 mm fans. The last interesting psu with this fan concept was the Arctic Fusion which is quite old now.

    My guess is that 80 mm fans don't have to be louder in the lower watt range. For cheaper psus smaller fans might even be more silent because 80 mm fans are still cheaper if you go for a good one. For higher wattage units 135/139/140 mm fans are better.

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    Default

    You still get a dead-zone with an 80mm fan as there is space adjacent to the fans placement which doesn't get cooling as well as directly in front on the bearing unless you increase the housing length.

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    Default

    4 80mm fans, 2 intakes and 2 outtakes, and a 90° counterclockwise PCB lay-out, with a full modular design like Seasonic or Cooler Master with their "3D design". ©
    Last edited by -The_Mask-; 10-22-2016 at 05:24 PM.

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    Hardly works in regular cases...

  7. #7
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    Doesn't matter that wasn't the question.

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    Default

    Especially with modular PCBs, single 80mm s louder. Only fixed cable <400W could be more silent / higher de-rating.

  9. #9
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    quest for silence is offline Silencer & heathen relic of a human (™ by OW)
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    Default

    Quote Originally Posted by GI_Joe View Post
    But you also make the PSU longer and louder! It is better cooling, but nothing else is better.
    Maybe: it depends. As a matter of fact an Antec Signature isn't louder than a contemporary Antec True Power Classic (and the former doesn't sport a particularly slow fan).

  10. #10
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    80 mm fans in modular psus might be a problem, true. You can't put the fan in the push design.

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