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d5 Pump speed vs Noise

post #1 of 22
Thread Starter 
I had a quick question for everyone. I have a D5 set on 5 running ASUS Extreme IV motherboard blocks, CPU block and GPU blocks so 4 blocks a 480 rad and a 240 rad as well as a 250ml pump. Rig is In Sig. I am wondering how much temperature would be affected if I drop the speed down to 3? The noise is louder then my AP-15s and has a constant humming sound (this might also be because I bolted the pump to the case itself)

This question came up now because I am redoing my loop and cleaning it out.

Thanks for the help.

post #2 of 22
You'll find a significant noise reduction if you decouple it i.e. isolate it on something like a 'Shoggy Sandwich'.
Edited by Big Elf - 4/8/14 at 6:14pm
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post #3 of 22
I bought the Shoggy sandwich.
It's a P.O.S.
Will only work on the floor of your case.
On the wall or roof, the glue will come undone.

Best trick is buy some industrial strenght Velcro.
The glue on those will hold wherever you put it.
And the Velcro will decouple completely your pump.

When decoupled properly, you shouldn't hear your D5 at all, even at 5#.
But in the mean time, I am convinced turning your pump down to 3# or 2# wont change your temps at all.
Maybe even on 1#, you'll be surprised at how little change it makes on your temps.
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post #4 of 22
And keep in mind that setting 1# is still more than half power.
Full power 5# is 12V, while 1# is only 5V less at 7V.
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post #5 of 22
Thread Starter 
I will be putting the pump on the on the floor of the case as you can see from the above picture. Like I said right now it is bolted. Just wondering how I would get it to hold with the current bitspower fan.

I was thinking of using this recommended to me from a friend. Not sure if it will hold the pump/res stand I have.

http://www.frozencpu.com/products/20757/thr-211/3M_Double_Sided_Tape_9080HL_-_White_60mm_x_78mm_x_15mm.html?id=hm2ySiak&mv_pc=20643
post #6 of 22
Thread Starter 
I currently have the follow. It comes with Rubber feet. However I bolted it right to the caselabs case.
post #7 of 22
I actually use velcro to hold the various bits of the Shoggy Sandwich together and it seems to work well, mind you I've only been using mine for 18 months so there's still time for it to fail. I tried many methods to quieten my pumps and the SS have worked best of all.

You can also try turning down the pump speed but keep an eye on temps initially.
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24GB Corsair Dominator GT PC3-16000 Samsung 850 EVO Crucial CT750MX300 Seagate Momentus 2TB 
Hard DriveOptical DriveCoolingCooling
Seagate Momentus 2TB Sony Optiarc AD-7690H Slimline DVD-RW Blocks - EK Supremacy, 2 x EK FC-Titan X, EK FC... Radiators - 2 x Black Ice SR1 480, 2 x Black Ic... 
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Seagate Momentus 2TB Sony Optiarc AD-7690H Slimline DVD-RW Blocks - EK Supremacy, 2 x EK FC-Titan X, EK FC... Radiators - 2 x Black Ice SR1 480, 2 x Black Ic... 
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post #8 of 22
Quote:
Originally Posted by Big Elf View Post

I actually use velcro to hold the various bits of the Shoggy Sandwich together and it seems to work well, mind you I've only been using mine for 18 months so there's still time for it to fail. I tried many methods to quieten my pumps and the SS have worked best of all.

You can also try turning down the pump speed but keep an eye on temps initially.

 

I actually cut out foam tubing and put it under my UNDesign bracket that holds my pump. And used 3M "tape of the gods" to put the pieces of foam on my bottom radiator under the feet of the UN bracket.

 

When I was using rubber washers/radiator gaskets in an attempt to minimize vibrations from my pump into my case, it just didn't work. I very much agree that a shoggy sandwich, or other DIY solution to completely decouple the pump from the case is by far the best solution to quieting a pump.

post #9 of 22
Thread Starter 
How are you securing the pump just letting it float there? No screws?
post #10 of 22
Ya don't even need to mount it anywhere honestly.
If it just hangs off the hoses, it's just fine.
Just looks funny, that's all.
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