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    It is generally better to have the fan of the PSU facing down (out of the PC case) so that you're drawing cooler air in - as long as the intake is filtered12. If there's a lot of dust or other particles in the air, it's still okay to face it up if you have solid airflow inside the case1. According to Seasonic documentation, they actually recommend fan facing up if running in hybrid (semi-passive fan off mode)3. The Corsair 4000D has holes in the bottom and the PSU is intended to be mounted fan down4.
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    In general, it is better to have the fan facing down (out of the PC case) so that you're drawing cooler air in - as long as the intake is filtered. If there's a lot of dust of other particles in the air (such as in a home with shedding pets), it's still ok to face it up if you have solid airflow inside the case.

    BUILDERS GUIDE - CORSAIR

    www.corsair.com/us/en/s/psu-family-builders-guide
    The answer is an easy one, should you have enough room between the intake and the floor (and your case has a grill on the bottom for a PSU fan to draw air) you'll want to have your PSU facing downwards. This will aid in the unit drawing in much-needed cool air when under load.

    Should you install your PSU facing up or …

    www.windowscentral.com/does-it-matter-if-you-inst…
    According to Seasonic documentation, they actually recommend fan FACE UP if running in hybrid (semi-passive fan off mode) Natural heat convection will allow the air to drift upward when the fan isn't running. But the built in fan is strong enough to suck down any air and push it out the back when it runs in active (fan on) mode

    [SOLVED] - PSU Fan Up or down? | Tom'…

    forums.tomshardware.com/threads/psu-fan-up-or-d…
    I have a 4000D and know for a fact that there are holes in the bottom and the PSU is intended to be mounted fan down. The 5000D is just a larger version, so it should be the same.

    Corsair RMX Series (2021), RM1000x inst…

    linustechtips.com/topic/1398547-corsair-rmx-serie…
  2. People also ask
    Should I buy a corsair 4000D airflow?
    The Corsair 4000D Airflow looks like a good choice except for two things. It only comes with two fans, one front, one rear. It doesn't have a fan controller on the panel to adjust fan speed. This will be nothing more than a backup PC for surfing the web but I will be running a 7700k at stock speed with air cooling so still need good airflow.

    [SOLVED] - Anything better than a Corsair 4000D Airflow for a no frills

    forums.tomshardware.com
    What is a corsair 4000D airflow PC case?
    Featuring a front panel covered in triangle perforations, Corsair's 4000D Airflow PC case has a distinctive-looking face and delivers what it promises: ample, well, airflow to keep your PC components cool under pressure.

    Corsair 4000D Airflow Review - PCMag

    pcmag.com
    Are Corsair Airguide fans pre-mounted?
    Two 120mm Corsair AirGuide fans are pre-mounted (one front, one back) to push things along. Since 1982, PCMag has tested and rated thousands of products to help you make better buying decisions. See how we test. The two sides of the chassis aren't quite as friendly in the airflow department.

    Corsair 4000D Airflow Review - PCMag

    pcmag.com
    Does Corsair ICUE 4000x have a tempered glass panel?
    Additionally, there is the third option with a tempered front glass panel and three SP RGB Elite fans. This latter variant, called the iCUE 4000X RGB, comes in either black or white and includes Corsair's iCUE controller, and thus the ability to adjust lighting and fan speed via software inside the OS.

    Corsair 4000D Airflow Review - A Solid Performer with Attention to Det…

    techpowerup.com
    How do I know if my Corsair power supply is working?
    Now that you've installed the power supply, how can you tell how it's doing? CORSAIR power supplies with an "i" in their name (HX1000i for example) offer system monitoring through CORSAIR iCUE software, so you can see how fast your fan is spinning and how much power your +12V rail is putting out.

    BUILDERS GUIDE - CORSAIR

    corsair.com
    Should a PSU fan spin a lot?
    Consider if ur PSU fan will spin most time or dont. Generally FAN DOWN has more advantages. + passive cooling mode when fans dont spin heat goes up and cools better. - gaming mode when fan spins it takes hot air from inside case. - dust settles on the components faster over the years.

    PSU fan facing UP or DOWN? I see points for either orientation ... - Reddit

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  3. Reddit
    https://www.reddit.com/r/buildapc/comments/qo4dz7/...

    Fans over Psu. Corsair 4000d Airflow : r/buildapc - Reddit

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    • Tom's Hardware Forum
      https://forums.tomshardware.com/thread…

      [SOLVED] Should I mount PSU with fan placing Up or …

      Nov 22, 2019 · Hello guys, I am upgrading my PSU to RM 750 from VS 450. Earlier I have placed PSU with fan placing up and it has got some dust build up which is difficult to clean. Which way you people...

      Tags:
      Psu Fan Up
      Fan Orientation
      Public Sector Undertakings in India
    • Tom's Hardware Forum
      https://forums.tomshardware.com/threads/anything...

      [SOLVED] - Anything better than a Corsair 4000D Airflow for a no …

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      Corsair 4000D Airflow
      Psu Fan Up
    • Reddit
      https://www.reddit.com/r/buildapc/com…

      PSU fan facing UP or DOWN? I see points for either …

      If the fans stop then it makes sense to have it fan-side up for heat to passively rise out of the PSU, but I agree that if the fan is spinning (intaking air) then it makes sense to intake cool air from the bottom of the case, especially if you …

      Tags:
      Psu Fan Up
      Fan Orientation
    • Reddit
      https://www.reddit.com/r/Corsair/com…

      In-progress build -- Corsair 4000D Airflow w/ 360 mm …

      As long as the pump is below the top of the radiator (tubes up or down) the lifespan is unaffected. The only downside to tubes up with the pump below top of radiator is potential for noise as there may be some air bubbles in the radiator …

    • Tom's Hardware Forum
      https://forums.tomshardware.com/threads/fan-setup...

      [SOLVED] - Fan setup in 4000D Airflow | Tom's Hardware Forum

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      Corsair 4000D Airflow
      Corsair 4000d Specs
    • CORSAIR
      https://www.corsair.com/us/en/s/psu-fa…

      BUILDERS GUIDE - CORSAIR

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       · You can turn your PSU to have the intake fan pointing up or down. In general, it is better to have the fan facing down (out of the PC case) so that you're drawing cooler air in - as long as the intake is filtered.

      Tags:
      Psu Fan Up
      Facing
    • TechPowerUp
      https://www.techpowerup.com/review/corsair-4000d-airflow

      Corsair 4000D Airflow Review - A Solid Performer with Attention to ...

      Tags:
      Corsair 4000d Specs
      Corsair 4000d Review
      Brand:Corsair
    • PCMag
      https://www.pcmag.com/reviews/corsa…

      Corsair 4000D Airflow Review - PCMag

      Nov 30, 2020 · Featuring a front panel covered in triangle perforations, Corsair's 4000D Airflow PC case has a distinctive-looking face and delivers what it promises: ample, well, airflow to keep your PC...

      Tags:
      Corsair 4000D Airflow
      Brand:Corsair
      Corsair 4000d Review
      In stock
    • Reddit
      https://www.reddit.com/r/Corsair/comments/jkmc8l/...

      4000D Airflow - above PSU shroud fan "slot"? : r/Corsair - Reddit

      Tags:
      Corsair 4000d Psu Shroud
      Public Sector Undertakings in India
      4000D Airflow
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