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Author Topic: Cooling solution  (Read 1411 times)
Zagitta
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June 19, 2011, 03:39:42 AM
 #1

I bring you one of the best possible easy to build DIY cooling solutions:



Proof of concept:



Took about 3 hours to create including figuring out meassurements and so on.

I'm currently using this and so far it have lowered my 5850's temps by at least 10 degrees and that's even with some shitty fans i had laying around, putting a propper pair of 100 CFM fans in it would probably work miracles Smiley

Google sketchup file: http://filebeam.com/4fe1a13065a08ff6fb7e65edc1090063 (zip file)


List of possible improvements:

      1) a lid with holes for power cables and possibly some way of mounting 1 or more PSU's on the lid
      2) ?!? (Come with your ideas fokes!)


Feel free to donate a few bit cents if you found this useful: 1J8CZu1r7kHXPeYxK9CdN1BippMpGdUPK2
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fascistmuffin
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June 19, 2011, 06:14:01 AM
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Could probably take out the intake fans and put a mesh screen in place of those. What this will do is filter dust very well, since you'll be sucking all the air through the case via the rear exhaust fans.  If you look at high end ATX cases, you'll notice how there's usually more overall CFM as exhaust (Rear, top, psu if on top, and somestimes side is used as exhaust), since you don't really need intake fans with proper case filtering. Usually the intake fan is there for cooling HDD's anyway.

The exhaust fans in the back will create the suction needed to pull air thorough your design regardless of intake fans. I'd suggest trying to replace the front with some type of dust filter and see what that does. I'll bet the temps will stay the same.
Chick
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June 19, 2011, 06:32:13 AM
 #3

I bring you one of the best possible easy to build DIY cooling solutions:



Proof of concept:



Took about 3 hours to create including figuring out meassurements and so on.

I'm currently using this and so far it have lowered my 5850's temps by at least 10 degrees and that's even with some shitty fans i had laying around, putting a propper pair of 100 CFM fans in it would probably work miracles Smiley

Google sketchup file: http://filebeam.com/4fe1a13065a08ff6fb7e65edc1090063 (zip file)


List of possible improvements:

      1) a lid with holes for power cables and possibly some way of mounting 1 or more PSU's on the lid
      2) ?!? (Come with your ideas fokes!)


Feel free to donate a few bit cents if you found this useful: 1J8CZu1r7kHXPeYxK9CdN1BippMpGdUPK2

Lol, I'm actually thinking about building one of these...

6 fans you say? Thats a bit expensive with these nice fans... Sad

http://www.newegg.com/Product/Product.aspx?Item=N82E16835185054

I guess a big giant cooling fan would work, lol.

Zagitta
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June 19, 2011, 02:39:26 PM
 #4

Could probably take out the intake fans and put a mesh screen in place of those. What this will do is filter dust very well, since you'll be sucking all the air through the case via the rear exhaust fans.  If you look at high end ATX cases, you'll notice how there's usually more overall CFM as exhaust (Rear, top, psu if on top, and somestimes side is used as exhaust), since you don't really need intake fans with proper case filtering. Usually the intake fan is there for cooling HDD's anyway.

The exhaust fans in the back will create the suction needed to pull air thorough your design regardless of intake fans. I'd suggest trying to replace the front with some type of dust filter and see what that does. I'll bet the temps will stay the same.

It's called redundancy my good friend Wink We can safely assume anyone who build a box like this wants to have it run 24/7 at which point we really don't want to risk having one of the fans die and thus increase our temps, this would especially be critical if the box contains 4x6990 or other dual gpu cards as they produce an enormus amout of heat...

I see your point about dust though but it's not a big issue for me as my rig is placed on the roof where no one ever goes so the dust isn't really in circulation.

And yes Chick, it's a bit expensive but what does 80$ worth of fans matter if you've just bought 4x5850 @ 130$ each?  Grin
superweb
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June 19, 2011, 10:52:18 PM
 #5

For my purposes I like this kind of fans, easy installation could be clipped anywhere needed Smiley
http://www.amazon.com/Holmes-HACP7W-UC-7-Inch-Clip-Personal/dp/B00006WNO4
I have a little larger one, sold at Hornbach(in CZ at least) for about 4EUR, but can't find exactly that online. It has 2 speeds and when clipped wisely does not much noise.

Is this helpful? Say thx to 17JgJ4i9ngcxkzpyjooUkY559AegZk5agK  Smiley
fascistmuffin
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June 19, 2011, 11:31:54 PM
 #6

Could probably take out the intake fans and put a mesh screen in place of those. What this will do is filter dust very well, since you'll be sucking all the air through the case via the rear exhaust fans.  If you look at high end ATX cases, you'll notice how there's usually more overall CFM as exhaust (Rear, top, psu if on top, and somestimes side is used as exhaust), since you don't really need intake fans with proper case filtering. Usually the intake fan is there for cooling HDD's anyway.

The exhaust fans in the back will create the suction needed to pull air thorough your design regardless of intake fans. I'd suggest trying to replace the front with some type of dust filter and see what that does. I'll bet the temps will stay the same.

It's called redundancy my good friend Wink We can safely assume anyone who build a box like this wants to have it run 24/7 at which point we really don't want to risk having one of the fans die and thus increase our temps, this would especially be critical if the box contains 4x6990 or other dual gpu cards as they produce an enormus amout of heat...

I see your point about dust though but it's not a big issue for me as my rig is placed on the roof where no one ever goes so the dust isn't really in circulation.

And yes Chick, it's a bit expensive but what does 80$ worth of fans matter if you've just bought 4x5850 @ 130$ each?  Grin

I see your reasoning for redundancy, but intake fans are not redundant for exhaust fans since they are not doing the same thing.
PcChip
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June 20, 2011, 05:11:16 AM
 #7

... if you've just bought 4x5850 @ 130$ each?  Grin

I hope that's a typo (5 -> 3)  or else I've way overpaid for my cards.

All rates with Phoenix 1.50 / PhatK
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