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PC airflow and heat - a cooling guide

Comments

  • Excelent review, guys, much appreciated
  • WinfreyWinfrey waddafuh Missouri Icrontian
    Wow for a second i almost thought MM had come back to do an article O_O
  • TushonTushon I'm scared, Coach Dallas Icrontian
    An epic necro
  • midgamidga "There's so much hot dog in Rome" ~digi (> ^.(> O_o)> Icrontian
    An epic necro
    Truth. Glad for it, though, cause now I've read it.
  • I took it as areference each time I assemble a pc very good article
  • I guess great minds think alike. My setup is similar (though not exactly the same) on my PC. I set it up under the guidelines of what would be the most efficient way to cool it and maintain airflow. I think I'll use what's in the link to modify my setup a little bit.
  • fatcatfatcat Mizzou Icrontian
    edited May 2012
    this.

    image
    image

    end game
  • RyderRyder Kalamazoo, Mi Icrontian
    That is the most ridiculous cooler ever.
  • fatcatfatcat Mizzou Icrontian
    edited May 2012
    That is the most ridiculous cooler ever.
    it's an Noctua NH-D14 with a 3rd fan, that's all

    image

    yanno, the best air cooling heatsink to date...
  • RyderRyder Kalamazoo, Mi Icrontian
    Best and most ridiculous at the same time... Ok.
  • doabarrellrolldoabarrellroll San Jose, CA Member
    You mean to tell me, I could be the first person to install an intercooler on a PC?

    That picture reminds me of the 3.2L flat six on the Carrera 3.2.
    image
  • would love to see a test with bottom + top
  • I'm no expert on cooling but wouldn't having top and rear only result in a negatively pressurized case and excessive dust accumulation in the case cracks? If you left all the unused ports open then that would probably not be an issue.

    Also, did you cover the not in use ports? There becomes a much greater number of variations if you leave some uncovered without a fan vs covering all not in use. If you left them uncovered then it wouldn't be suprising that the two exhaust fan option at top and rear would be best, air would be flowing more quickly through the case due to lack of back pressure due to the large number of inlet ports. Since your top fan is so far forward (as compared to a bottom mount PSU) it's not suprising it took longer to stabilize temperature. Any flow from the front or bottom intakes would get distributed along a path between them and the top port, which pretty much doesn't intersect any of the components your trying to cool but pulls accumulated hot air from the top of the case.

    Also on a bottom mount PSU I bet you'd get much better flow across the components since both the back and top would be closer to the corner opposite the front and bottom intakes.
  • The test needs to explain how much cfm intake and exhaust in each example. Positive vs negative pressure is an important point not covered. Thank you very much for doing this experiment, it's helps answer some questions, leaves some unanswered. Great start though, I wish I had a bunch of fans and some tools to drill holes in my case.
    georgeh
  • primesuspectprimesuspect HumanGarbageDisposal Detroit, MI Icrontian
    Ten years and still going strong!
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