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Thick Dust Filters

post #1 of 13
11/12/12 at 1:35pm
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I'm building a air cooled system with a CM 690 II Advanced and I want to cover up the two side vents. I never really liked side vents.

Where can I get some decent dust filters/covers? Like this one:
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post #2 of 13
11/12/12 at 1:39pm
That would be sound dampening material - silverstone makes some, or you can get some from frozencpu.com
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post #3 of 13
11/12/12 at 1:42pm
http://www.amazon.com/gp/product/B002GKC2US/ref=oh_details_o00_s00_i00

these work like a charm. when i had bought them they were free shipping with prime. now they are an add-on item.
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post #4 of 13
11/12/12 at 1:49pm
That looks like short nap carpet to me.
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post #5 of 13
11/12/12 at 1:51pm
Thread Starter 
http://www.newegg.com/Product/Product.aspx?Item=N82E16811999222

Found some. How well do you think this would dampen the sound?
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post #6 of 13
11/12/12 at 2:18pm
probably not $22 worth rolleyes.gif

what will work very nicely and is cheap is some dense carpet pad. Not the wavy kind, the 3/8" solid kind.

But really you aren't going to be able to "insulate"/dampen much noise from case. Noise comes out of all the vents, etc.

The real solution is to have quiet components.
* Vibration dampening the HDDS will pretty much stop HDD noise.
* Use slow spinning fans that move plenty of air.. and regulate their speed so they only run fast when computer is working hard / generating heat.

I use 3x 140mm case intake fans and 2x 140mm cooler fans. All run 660rpm most of the time, but when I work my system above 70% they spin up to about 900rpm, and at 100% case fans run 1000rpm and CPU fans run 1100rpm. Still no very loud, but you can hear them above 900rpm. Case fans will run 1300rpm and CPU fans will go 2500rpm, but they way things are setup they never will. wink.gif All this speed control is done automatically based on CPU temp.
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post #7 of 13
11/12/12 at 9:09pm
  • ehume
  • AirGoesWhere you push it
Quote:
Originally Posted by doyll View Post

probably not $22 worth rolleyes.gif

what will work very nicely and is cheap is some dense carpet pad. Not the wavy kind, the 3/8" solid kind.

But really you aren't going to be able to "insulate"/dampen much noise from case. Noise comes out of all the vents, etc.

The real solution is to have quiet components.
* Vibration dampening the HDDS will pretty much stop HDD noise.
* Use slow spinning fans that move plenty of air.. and regulate their speed so they only run fast when computer is working hard / generating heat.

I use 3x 140mm case intake fans and 2x 140mm cooler fans. All run 660rpm most of the time, but when I work my system above 70% they spin up to about 900rpm, and at 100% case fans run 1000rpm and CPU fans run 1100rpm. Still no very loud, but you can hear them above 900rpm. Case fans will run 1300rpm and CPU fans will go 2500rpm, but they way things are setup they never will. wink.gif All this speed control is done automatically based on CPU temp.


This.

 

But you can get carpet and stick it on.

 

I have used foam like the Silverstone linked above ($21 is way too much). I have used stick-on heavy stuff (I forget the name of it; It's something like sheet asphalt with a sticky side that I got at a specialized sound systems store). I have seen vendors who sell thick textured foam (here, for example). I think the short-napped carpet as a combination sound absorber and vibration deadener is your best bet. I use my stuff in patches to keep my sidewalls from vibrating. A good case like the 690 has too many large openings to keep noise in.

 

Remember that Newegg's goal is to sell you stuff. Same with everybody else.

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post #8 of 13
11/13/12 at 4:01am
Quote:
Originally Posted by ehume View Post


I have used stick-on heavy stuff (I forget the name of it; It's something like sheet asphalt with a sticky side that I got at a specialized sound systems store).

that would be dynamat. the way it dampens sound is mostly by adding none resonating mass to the surface you are applying it to. greater the mass, the more energy it takes to vibrate it hence it's quieter. the sound producing vibration (fans) aren't strong enough to vibrate the dynamat so your case stays quieter. however, it does very little to airborne sound so the fanblade rubbing against its own bearing or the sound that air is pushed by the fan blade still exist.

overall, dynamat is only useful if you are using some pretty serious fans and only effective in reducing the vibration of the case itself. not the fans themselves.
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post #9 of 13
11/13/12 at 8:11am
Thread Starter 
Quote:
Originally Posted by doyll View Post

probably not $22 worth rolleyes.gif
what will work very nicely and is cheap is some dense carpet pad. Not the wavy kind, the 3/8" solid kind.
But really you aren't going to be able to "insulate"/dampen much noise from case. Noise comes out of all the vents, etc.
The real solution is to have quiet components.
* Vibration dampening the HDDS will pretty much stop HDD noise.
* Use slow spinning fans that move plenty of air.. and regulate their speed so they only run fast when computer is working hard / generating heat.
I use 3x 140mm case intake fans and 2x 140mm cooler fans. All run 660rpm most of the time, but when I work my system above 70% they spin up to about 900rpm, and at 100% case fans run 1000rpm and CPU fans run 1100rpm. Still no very loud, but you can hear them above 900rpm. Case fans will run 1300rpm and CPU fans will go 2500rpm, but they way things are setup they never will. wink.gif All this speed control is done automatically based on CPU temp.

That's what I figured. I'm getting a Noctua D14 and a P12 for the rear exhaust. In total 3 Intake fans, and 3 exhaust, but the exhaust fans are bigger. All of the case fans are going to be running pretty slow, except the bottom 2 120mm. All of my fans have hydro-dynamic bearings.

I guess I'll just get a dust filter for the unused vents and get some rubber screws and frames.
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post #10 of 13
11/13/12 at 8:42pm
How often do you need to check to replace/clean that kind of filter?

Nice setup by the way OP thumb.gif
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