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Retired Reviewer
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Discussion Starter · #1 ·
I love this pic:



So simple, so elegant. Published here. A 120mm fan in three slots of a 5.25 bay.

I wanted something like it, but I only had two 5.25 slots. OTOH, one of my four slots was being taken up by an IO unit that was not full depth. What if I mounted my fan behind it?

So I did. Used some foam to pack it in. Here it is from the back:

Beta_Evo_modding_2011-05-06_006.png


Here's what it looks like behind the IO unit:

Beta_Evo_modding_2011-05-06_001.png


Closeup of the friction mount:

Beta_Evo_modding_2011-05-06_002.png


What is it behind?

Beta_Evo_modding_2011-05-06_003.png


Finished unit:

Beta_Evo_modding_2011-05-06_004.png


After that I moved it upstairs. Nice and quiet.

Edit: I swapped out the 120mm Shark for a 140mm. Link is here.

I decided I was dissatisfied with my 120mm intake fan in the 5.25 bay. I thought, I can do better than this:

307586a3_5_25_14cm_project_009.png

So I looked for a 140mm fan that would run quietly and still push a lot of air. This one allegedly pushes 50cfm at 800rpm:

32e13bd0_5_25_14cm_project_013.png

But at 140mm it's 10mm taller than the 130mm space occupied by three 5.25 slots. So I would need access to the top of the 5.25 cage. Hence, up came the top:

d6743785_5_25_14cm_project_010.png

Here you can see the 120mm fan under the cross bar. You can also see the CCFL transformer, and where it is normally Velcro'd to the top of the case. And then there is the TR-140 top intake fan. Normally the open spot to its left is covered, and the fan itself has a 140mm filter.

Next, a shot from a different perspective:

ca81d1b4_5_25_14cm_project_011.png

You can see the electronics behind the IO panel that takes up the front of one of my four 5.25 slots.

Padded 120mm Shark vs unpadded 140mm Shark:

90bf5466_5_25_14cm_project_014.png

Note that even with the padding on the 120mm fan, the 140mm fan is taller.

Here's a fit test of the unpadded 140mm fan in the 5.25 bay:

1211989

The blinding spots are pieces of masking tape set at the edges of the fan and the inner edges of the 5.25 bay. As one would expect, there is more than 5mm between the fan and each side of the 5.25 cage walls.

First draft of padding the 140mm fan:

af321d5d_5_25_14cm_project_017.png

Both kinds of strip foam are from a hardware store. The stuff on the side is actually double sticky. It is also dense foam, and resists compression. This did not fit in the 5.25 bay.

Padded 120mm fan on top of the 1st draft of padding of the 140mm fan:

6276a6be_5_25_14cm_project_018.png

Although they look close in width, the foam on the 120mm fan has much more give than the stuff on the 140mm fan.

Second draft padding on the 140mm fan, this time on top of the 120mm fan:

ad095841_5_25_14cm_project_019.png

Yup. Second draft padding allows the 140mm fan to fit in the 5.25 bay:

cbacae40_5_25_14cm_project_020.png

Note how the top of the 140mm fan is taller than the crossbar. The 120mm fan fit under the crossbar, and needed padding to fill the gap.

140mm Aerocool Shark in place in the 5.25 bay:

af4d23ec_5_25_14cm_project_022.png

Smoke test - no smoke (which is good):

00e55d22_5_25_14cm_project_023.png

Now all I have to do it put the screws back and my case will be together again.

And it's back upstairs: I'm typing on it now.

BTW -- I put a 140mm fan in the 5.25-inch bay of a Zalman Z11 here.
 

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Nice job! (I see some room for a few zip ties, but thats just me being me)

I mounted a 120mm in my front bay as well, but it doesn't look this good. And because its set back in the case you can't even see it. I may need to put of few led fans in my case for my next fan upgrade
biggrin.gif
 

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im currently doing the same thing! im cutting the foam that came with my videocards and make a nice snuggly spot for a fan.
 

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Nice ehume!

I did the same about a week ago when I realized that I didn't use my optical drive for over half a year.
Zip'tied a 14-AP there and got it as close as possible to the front panel. It doesn't suck as much air in as the 140mm below it but still my load temps dropped a nice 2-4 c.

Gonna try get some of that foam! Thanks for the tip.
 

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One tip, softer foam absorbs fan vibrations better, and will not have the strength needed to distort the fan frame. If the foam pushes in the side of the frame enough, it'll make lots of noise, or even block the fan from turning. Less of a problem with the stiffer (and more brittle) clear plastics usually tho.
 

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I just did a full rebuild / air cooling revamp of my PC. And i did the SAME thing
smile.gif

I can post a pic later on, but its very simmilar.
 

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That's really well done man. I have a 120mm suspended by twist ties in the back of my top cage lol. Foam seems like a much better option. Off to amazon I go.
 

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Discussion Starter · #11 ·
You and I did precisely the same thing!

. . . except you need some stuffing around the edges of your fan to prevent recirculation. I'm going to tape up the sides of my 5.25 cage . . .
 

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Quote:
Originally Posted by ehume;13816495
You and I did precisely the same thing!

. . . except you need some stuffing around the edges of your fan to prevent recirculation. I'm going to tape up the sides of my 5.25 cage . . .
Yep. I think im going to stuff some foam around it, like that first picture.
 

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6,171 Posts
I've had this done with a 140mm fan since I got my NH-D14 in early December.

Didn't have the room to put foam and to be honest it wasn't necessary. The brackets that hold up the 5.25" drives are digging into the fan frame so that it's solid mounted with no foam needed.

Don't mind the Angel in the corner or the mess under my temporary desk, lol.

11j6as1.jpg
 

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Thanks for the great idea, better then cable ties. It's not polystyrene, but i think it might be styrene, its the stuff that comes with liquid cooling some times or the odd thermaltake case. Its plastic air bubles stuff that is white and just hot glued up, and mat black spray, still flexable

Thanks mate
biggrin.gif
 
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