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Soundproofing on the cheap

post #1 of 8
Thread Starter 
I've already got quiet fans. My primary disk is an SSD. I'm looking for ways to further reduce noise without upping temps much.

I was considering getting soundproofing foam of some sort. These kits are expensive($50-100) and don't allow heat transfer.

How well would cheap rubber mesh work? I'd mainly be looking to apply it to the bottom of my all case and perhaps around the sides of my fans.

http://www.amazon.com/Grip-Shelf-Drawer-Liner-Black/dp/B000KFSOFI/ref=sr_1_1?ie=UTF8&qid=1363941372&sr=8-1&keywords=shelf+liner+mesh
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Crucial M4 256GB SSD Western Digital Cavier Green 3TB HDD Corsair H100 Corsair Air Series AF140 Quiet Edition  
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Corsair Air Series AF140 Quiet Edition  Windows 8 x64 Dell u2711 Dell u2711 
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post #2 of 8
This might be something: http://www.overclock.net/t/447164/cheap-insulation-mod#post5399092

Haven't done it myself but looking around for ideas as well.
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post #3 of 8
Thread Starter 
Quote:
Originally Posted by Bloitz View Post

This might be something: http://www.overclock.net/t/447164/cheap-insulation-mod#post5399092

Haven't done it myself but looking around for ideas as well.

That is intriguing.
I'd need it in black though, my case has a window. I don't need perfection, I just need to dampen internal echoing and transfer the energy throughout the case into a material that absorbs it all. I also want to do it as cheaply as possible.

I'm a picky guy, hahaha. I don't need absolute silence though.
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My System
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Hard DriveHard DriveCoolingCooling
Crucial M4 256GB SSD Western Digital Cavier Green 3TB HDD Corsair H100 Corsair Air Series AF140 Quiet Edition  
CoolingOSMonitorMonitor
Corsair Air Series AF140 Quiet Edition  Windows 8 x64 Dell u2711 Dell u2711 
MonitorMonitorKeyboardPower
Dell u2711 Shap Aquos 50" HDTV Das Keyboard Mechanical Keyboard - Silent Edition Corsair HX650W 
CaseMouseAudioAudio
Corsair Carbide 300r Razer Death Adder Creative SoundBlaster X-Fi Titanium HD Klipsch promedia 2.1 
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Sennheiser HD598 
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post #4 of 8
I used this on my computer and love it. The price is great. thumb.gif
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post #5 of 8
Cheap
Quiet
Fast

Pick any two.

The easiest way for a computer to be quiet is to make it stop producing noise. It is not as easy to dampen vibrational noise, and very difficult to absorb airborne noise.

Find out what is the noisiest part in your computer. Do what you need to do to make it quieter. Easy.
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post #6 of 8
Thread Starter 
Quote:
Originally Posted by Zap View Post

Cheap
Quiet
Fast

Pick any two.

The easiest way for a computer to be quiet is to make it stop producing noise. It is not as easy to dampen vibrational noise, and very difficult to absorb airborne noise.

Find out what is the noisiest part in your computer. Do what you need to do to make it quieter. Easy.

I believe you on that. Prevention is key. My computer is already decent overall when it comes to both thermals and acoustics. I'm just looking for small ways to decrease noise since I'm reaching the point of diminishing returns in other areas.

Right now my own breathing more or less matches fan noise. I'm not going to stop breathing any time soon. I feel that adding a little bit of foam or something foam like would "absorb" echoing sound noises at least somewhat, and if placed along the bottom of my case and at certain strategic locations will not materially deteriorate thermal properties. I'll essentially have 7 SLOW fans running(currently 5) when I'm done. That's plenty.

I have TWO 140mm intake fans that I have running at a low speed. I suspect I could run them a bit slower to help. They're not too bad overall though, I have them running with a step-down resistor at 7v. I suspect that at 5v they'd be pretty quiet(though they aren't too bad as is) I feel that those are the loudest parts though they're not too bad.
http://www.newegg.com/Product/Product.aspx?Item=N82E16835181028&IsVirtualParent=1


If it isn't that, then it's the stock fan that I've got on my corsair h100. It's running on LOW and I only have a SINGLE fan on it. I'll probably order TWO slower 120MM fans.
Edited by xlink - 3/27/13 at 12:28am
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My System
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CPUMotherboardGraphicsRAM
3570k @4.4GHz ASRock Pro 4 Z77 GTX 660Ti 16GB Crucial Ballistix Sport @2133Mhz  
Hard DriveHard DriveCoolingCooling
Crucial M4 256GB SSD Western Digital Cavier Green 3TB HDD Corsair H100 Corsair Air Series AF140 Quiet Edition  
CoolingOSMonitorMonitor
Corsair Air Series AF140 Quiet Edition  Windows 8 x64 Dell u2711 Dell u2711 
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Dell u2711 Shap Aquos 50" HDTV Das Keyboard Mechanical Keyboard - Silent Edition Corsair HX650W 
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3570K
(21 items)
 
My System
(13 items)
 
 
CPUMotherboardGraphicsRAM
3570k @4.4GHz ASRock Pro 4 Z77 GTX 660Ti 16GB Crucial Ballistix Sport @2133Mhz  
Hard DriveHard DriveCoolingCooling
Crucial M4 256GB SSD Western Digital Cavier Green 3TB HDD Corsair H100 Corsair Air Series AF140 Quiet Edition  
CoolingOSMonitorMonitor
Corsair Air Series AF140 Quiet Edition  Windows 8 x64 Dell u2711 Dell u2711 
MonitorMonitorKeyboardPower
Dell u2711 Shap Aquos 50" HDTV Das Keyboard Mechanical Keyboard - Silent Edition Corsair HX650W 
CaseMouseAudioAudio
Corsair Carbide 300r Razer Death Adder Creative SoundBlaster X-Fi Titanium HD Klipsch promedia 2.1 
Audio
Sennheiser HD598 
CPUMotherboardGraphicsRAM
Phenom II x4 720be Gigabyte ud4p 4870 512mb 4GB (2*2GB) Super talent micron d9 
Hard DriveOptical DriveOSMonitor
80GB Intel x25-m + 640GB WD cavier Lite On DVD burner Windows 7 Dell 2005 FPW & Dell e207wfp 
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Logitch Ultra X Corsair TX 750W Lianli PCV-1000II Logitech MX518 
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post #7 of 8
One way to greatly reduce noise is to reduce turbulence in the case. Fran grills, HDD cages etc. cause turbulence and thus noise.
Cutting out the grills will help a lot and not reduce airflow, it'll actually marginally improve it. Of course, it will decrease resale value for the case and void the warranty.
Removing HDD cages that aren't in use will help.

The stock fans on the H100 are pretty noisy from what I have heard as they were meant to show the maximum cooling performance of the unit. Might be worth looking into better fans if you have the money for it and willing to spend it. One word of advice on fans: Don't cheap out on them. I've bought many fans over the years because I want to save money, and they are just fans right? Well, it's cheaper to buy 1 set of good ones instead of 3 sets of bad ones (or fans that are too powerful like the Scythe GT AP30's I bought once). Better fans often come with rubber screws / gaskets to dampen the vibrations. Even though it's not that big of a deal, all the little bits help.

Additionally, more fans are louder, no matter how quiet they are on their own. I advise you to unplug a couple of them, see the effect on the temps and decide if you need them. I used to be fond of undervolting fans myself but a lot of the cheaper fans will introduce bearing noise / vibrations when undervolted.

Dampening the HDD also helps but the WD green is very silent as it is so I wouldn't really focus on that.

Reducing noise is a big step-by-step process where you constantly run into a different component that becomes the noisiest. As Zap said, deal with the source of the noise first.
Soundproofing material is more the icing on the cake, the final step.
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Black Betty
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post #8 of 8
flashing tape looks like a great idea for 20 bucks almost a no brainer. however, i used leftover dynamat. had a roll of 3' x 300' leftover. works great. no more clangy annoying metal sounds or vibrations (and it was free since i already have it).
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