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Ways to slience a D5 MCP 35x pump without the Slient Box

post #1 of 36
Thread Starter 
Hello

I have 2 of these pumps in series. They really do a great job of pushing liquid through my GPU loop!

I love them!

However I have them each set up with a Heatsink and Fan because the get Hot!!!

I was wondering if there is a way to lower the noise they make when they run without having to use the Silent Box that ive seen sold in FrozenCPU.com

I cant use the Silent box because i have them on heat sinks.

The fans that i have attached are not noisy at all. Its the Pumps, in fact they are the only thing you hear in my rig.

I went ahead and bought some noise dampening material from Frozen CPU to put on the inside of my case.

Do you think that will do the trick?

Are there any other methods of silencing these bad boys that you know of?

I'm all ears
post #2 of 36
Wait, do you have a 35X or a D5?
The 35X is really quiet when you run it at lower RPMs so you could reduce the RPMs, which shouldn't hurt temperatures as are you are running two in series.
The other option is to figure out a way to insulate it when you mount it. I've used a bit of a sponge previously and it worked really well but that won't work when using a heatsink.
 
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post #3 of 36
Thread Starter 
well unfortunately they are pusing watter through 3 GTX 580 Classified Hydro Copper WaterBlocks which are extremely restrictive.

So i have them plugged directly into my power supply to run at full speed.

Any other suggestions
post #4 of 36
Thread Starter 
what if i were to foam up the body of the pump minus the heat sink underneath?

Will that work? i don't think the heat sink needs to be covered does it?
post #5 of 36
The pumps shouldn't be loud (unless vibration the case) unless the loop isn't completely bleed and water is being pulled through the pump. We also need to know what pump you have. The D5 isn't even close to being an MCP35X.

If you are using the MCP35X, then just hook up the 4 pin fan connector to your 4-pin PWM fan connector on your board, then just use Speedfan to slow it down.
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post #6 of 36
Thread Starter 
Sorry for the confusion

its MCP35x

They make noise cause they are running at full speed. There is no vibration. its just the motors on those things give a very audible sound. Watch my Build video 3
http://www.youtube.com/watch?v=R0zRys3i7Qs to hear the sound im talking about.

I dont want to do PWM because i really feel i shouldn't have to. My Gpu's dont go above 50c on full load. I have an MCP655 pump running my CPU loop at full speed all the time and it makes absolutely no sound. I just did not want to have to replace my 2 MCP35x pumps wtih 2 MCP655's unless absolutely necessary. I just thought there would be a way to dampen the inside of the case somehow to make the sound of the pumps quieter.
post #7 of 36
Why wouldn't you use PWM? It is the the absolute biggest feature of the MCP35X. Having Speedfan control the speed of your pumps based on load is pretty awesome. The pumps would also run considerably cooler. The MCP35X is also louder than the D5 as it is considerably more powerful.
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post #8 of 36
Thread Starter 
With the PWM connector on the pump, do i still need to plug the molex power connector to my Power Supply?
post #9 of 36
Thread Starter 
Load and Temperatures are 2 different things.

My temps would suck if i use PWM. As others have mentioned to me on this forum numerous times
post #10 of 36
Quote:
Originally Posted by jblanc03 View Post

With the PWM connector on the pump, do i still need to plug the molex power connector to my Power Supply?

Quote:
Originally Posted by jblanc03 View Post

Load and Temperatures are 2 different things.
My temps would suck if i use PWM. As others have mentioned to me on this forum numerous times

Have you tried it?

Just because you read it on forum doesnt make it true
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