Is there such a thing as a PC case that...

Discussion in 'Die-hard Overclocking & Case Modifications' started by Danny_G13, Oct 10, 2021.

  1. Danny_G13

    Danny_G13 Master Guru

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    Has a 'reservoir' on the roof so you can exhaust air out the top but it's got a cover over that so it kind of masks the sound of that air coming out?

    This is something I don't know if I've seen implemented - an air 'reservoir' that gives a notable gap so hot air can be exausted out of the top but it's not straight 'outside' but rather goes into a chamber at the top?

    Means you can close the top of the case but still safely exhaust warm air out of it.

    Wondering if that's a 'thing'?

    Thanks!
     
  2. cucaulay malkin

    cucaulay malkin Ancient Guru

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    [​IMG]

    this barely works btw
    better have an open top and run your fans at minumum speed than use a hard cover top with vents to the back and to the side.or just an open top with no fans.
     
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  3. Astyanax

    Astyanax Ancient Guru

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    NZXT Phantom 610/820

    no longer produced.
     
  4. Danny_G13

    Danny_G13 Master Guru

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    Be Quiet. That's not a command btw :D I jest, which model is that? Silent Base? Barely works though? Not overly promising!
     

  5. cucaulay malkin

    cucaulay malkin Ancient Guru

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    dark base 900
     
  6. Mineria

    Mineria Ancient Guru

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    For silence there are a few choices besides Be Quiet!, also comes down to how effective fans are at the duty cycles where they are silent.
    Not sure if I would recommend such for a 3090 unless you throttle it.

    My current build has a ton of intake fans going at low speeds, 3080 Ti is also set to run with les draw than factory default, measuring 36.6-41dB with a meter at head location in my chair, can get it down to whisper silent by reducing fan speeds further but that increases motherboard and SSD temperatures.


    IMG_0867.jpg

    EDIT: You could probably also have your existing PC case placed inside a wooden cabinet with open front and back and some room between case and cabinet top.
    Probably a good idea to drill holes for bottom side intakes as well.
    Guess you could even use some foam in such to catch the frequencies that emit to the outside of the case and even experiment with DIY diffusers.
     
    Last edited: Oct 10, 2021
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  7. Danny_G13

    Danny_G13 Master Guru

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    Thanks for the photo, some points to note about your rig:

    Interesting setup but your air pressure is curious? Unless you have reasonably the same number of fans exhausting then you're just accumulating excess warm air inside there. Could get your temps lower with reasonable symmetry of the fans? I've got 3x120 intake, 3x120 exhaust plus 1x140 exhaust.

    Two intake groups cancelling each other out like that? 3x140 + 4 x 120? Intriguing, what are your temps like with that?

    Sorry, I don't mean to criticise, I can see the 3 exhaust on the roof - that's an Artic Freezer AIO? My 3090 has an AIO as well, that's what I use for intake on the front - an Eiswolf 2. Maxes at about 66C but I think I've got that improved lately, Hitman 3 is struggling to get past about 55C.

    Ok this is getting away from the point... which was about a chamber at the top, not silence! I've got silence down to a fine art. My PC is literally inaudible aside the c-states VRM coil whining. Which I am ooing and aahing about removing.

    And just saw your edit - I get where you're coming from, but sticking a case in a wooden box to give it a chamber of exhause is a bit of a workaround rather than a solution. Not the worst idea, but equally I want to be able to see the case.
     
  8. Mineria

    Mineria Ancient Guru

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    You have to keep some things in mind.
    On the case I got there the front restricts the airflow to some degree, regardless, the 3x140 + 7x120 are set so that the front and bottom intakes push the most 35-50%, side fans are going very low duty cycle 20-25%(could probably remove them).
    The fan in the back is set to work the hardest and the Freezer to their in between recommendation.
    Temperatures are not an issue, none of my 3 M.2 SSD are getting on the hot side with the intakes used like that.

    [​IMG]

    [​IMG]
     
  9. Danny_G13

    Danny_G13 Master Guru

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    Very good temps, is that with GPU OC or factory? Also, those temps with the aftermarket cooler?! That's... surprising! I've rarely seen an RTX sub-70C with the bog standard included cooler.

    And 7 x 120? Where are the other 3x120 I can't see?
     
  10. Mineria

    Mineria Ancient Guru

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    GPU set like below, with it's stock cooler, the TUF cooler can keep temperatures decent even at the cards factory stock settings though.
    With a full cover water block it will hit even lower temps, but couldn't afford one just yet, the card itself was expensive enough as is.

    upload_2021-10-11_18-57-39.png

    The other 3 120's are at the bottom of the case, you should be able to spot them on the picture if you look closely.

    Once I get around getting a new loop for the GPU the bottom fans will exhaust trough a rad and 2-3 side fans will be removed for a flat pump/res combo, going to mod the front for less air restriction at that point.
    Those 3 Artic 140's can move plenty of air and are more silent than Noctua's silent options when going at high speeds, which kinda is a joke considering their lower price.
    Bought them after seeing a few Noctua users switching their Noctua's out after testing them, same flow but not some sort of annoying noise when going up in speed.
     
    Last edited: Oct 11, 2021

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