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Quietest DDC pump?

post #1 of 14
Thread Starter 
So i have my MCP350 with the XPSC dual bay res. Now i sit about 2-3 feet away from my computer and the noise is pretty audible. Is there anything a lot quieter in the DDC category? Please don't mention anything D5 as i don't have the option for it. Thanks
 
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post #2 of 14
The DDC can be a noisy pump sometimes is there any reason the d5 is unacceptable?

The only thing you can do it make sure there are no air bubbles or suspend the pump in the air.
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post #3 of 14
DDCs can be noisy. Make sure there is no air in the pump and it is mounted properly.

Why not D5..??
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post #4 of 14
Get rid of the bay res if you want to make it quieter, it's not absorbing as much vibration as a better decoupler would.
    
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post #5 of 14
Thread Starter 
It saves space and i prefer having it there. D5s are nice and i did like them but they are way too bulky for me and deteriorate from the look of my rig
 
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post #6 of 14

I guess you could get a 35X and turn it way down, though you should

.
    
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post #7 of 14
I have 2 of the Swiftech MCP35x pumps in my system under PWM control in a series loop.
At 30%, I can just barely hear them if I turn all of my fans off. They make less noise than an Akasa Apache Black fan, which is a very quiet fan.

With both pumps running at 100%, I can hear them, sitting 3ft from the computer, but they are still quieter than my PWM controlled fans that ramp up at the same time.

My pumps are mounted on a Koolance RP-402x2 reservoir, which is about 5 pounds with both pumps and full of water, which helps to dampen any vibrations.
They may be a little louder on your plexi reservoir.
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post #8 of 14
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post #9 of 14
http://www.overclock.net/water-cooli...ing-round.html

Acetal is a bit better at absorbing vibration. If you have a newer blue impeller, that's as quiet as the ddcs get. In my testing I've found that solid or non decoupled mounts are very erratic in noise, peaks and valleys throughout. I would suggest using a controller to tune the speed to a low point.
    
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post #10 of 14
If you have a RES over the pump directly, it is possible that the impeller is making the water in the RES to swirl making a vortex of water. Some of the aftermarket retail RES tops put a simple fish foam filter media cut to size to reduce the loud noises from the higher flow. This doesn't hurt the flow if the foam filter open cell stuff is not restrictive.




Edited by bmaverick - 3/12/11 at 9:15pm
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