madroxinide

So for some reason the CM R4 Fan that I tried putting on the side panel was really loud. So I played around with it some, and it seems that as an INTAKE fan, the air resistance or something creates a relatively loud humming noise.

I have switched it around to an EXHAUST fan, and it no longer has the loud noise.

However this increased my temperatures, as I now only have 1 intake fan (front). Any suggestions?

johnny.dot.exe

Well, my R4 fans on the side panel actually aren't loud..and they're at full speed running off the molex rails, as well as all my other fans. Did you make sure to use the included rubber donuts between the side panel and fans?

As for intake/exhaust, here's how I have mine...2 x Front Intake, 1 x Top Exhaust, 1 x Rear Exhaust, 2 x Side Intake. It seems you're only running one front intake, so you may want to do what we've all done...120mm/140mm fan in the 5.25" bay.

Here's a quick and easy way to do it with a 120mm, without needing anything but the fan and what your case comes with...



As you can see, I popped out those three plates and re-mounted them back to the case with screws, then mounted the fan to the back of them. I could have used all three plates, but I left out the middle plate just to open up airflow a little. There are other ways of putting a fan there, but this way seems to be the quickest/easiest and it is mounted pretty solid. I *highly* recommend using the R4 120mm fans, 90cfm @ 19dB just can't be beat...even by bigger fans.

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kev_b

I had the same problem with noise with just one fan on it, I found putting a filter on the outside dropped the noise a lot with no change in temp. I since went with a solid window with no fans, I like the looks better.

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Enigma8750

1. Vibration from the mechanism.

2. Air flow itself.

3. Vents from the front plasic panel wind noise.

So we need to create a noise free enviroment.

1. Vibration can be dampened by rubber grommets that fit between the fan and the panel


2. Vibration can be dampened by rubber fan holders that goes into the fan screw holes.


3. Air flow can be dampened by slowing the speed of the fan


4. Air Flow can be dampened by the shape of the fan blades the number of fan blades and the speed of the fan blades.


5. Change window with custom window and honey combed sheld mounted on the window.


Thank you Behemoth777 for your input on this matter. It was a real revelation. Rep up.

Pictures and info came from this website

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Proud Phenom1st

Behemoth777

Hey guys. I haven't been on here in awhile. Had to rma my g.skills. hahaha tried to overclock them and set the voltage too high

In regards to the noise problem with the side fans, I definitely know why. It is the fins that sit in front of the fan. They are what creates the humming noise. I'm actually planning on doing a project for my scout on friday. I'm going to take the original side panel window off, replace it with a clear non-tinted piece of plexi glass and cut a hole for my 120mm fan in the side of it. I think that it will a) reduce my noise b) make my case look nicer with that clear side and c) I bought a cool looking FilterRight fan filter and im going to put that on there to make my case nice and dust free

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Enigma8750

I would really be interested in your results. Please advise on this matter.

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Proud Phenom1st

elo820

Hey guys, how do you mount the 120mm fan in the optical bay area anyway? Any secure way?

Is changing all the fans to the cooler master r4 series better than the stock fans? Even the 140mm fans?

photonmoo

You can use the 3.5" - 5.25" bay converter to mount a 120mm fan.

Yup, the R4 series has proved to be very popular and their results speak for themselves.

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Enigma8750

I would use zip ties to secure the fan in the bay area.

As far as changing the fans there are a couple of things you need to concider.

1. The Stock fans have two sets of wires. One for the LED lights and another for the fans

2. Unlighted fans would be better if your looking for silent but the R-4s are pretty silent and have a good CFM. I would just keep them but thats my opinion and maybe yours is different.

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Proud Phenom1st

elo820

So I should Zip tie them down. Dang no screws? =P

The stock fans good though in terms of cfm?

Do you guys recommend bigger rubber feet for the bottom of the case? The psu fan should be facing down right?

Do you guys know if this case can fit 10.5 cards - 11? I'm scared for it being future proof.
Thanks so far guys!