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[HELP] WC Dilemma

post #1 of 14
Thread Starter 
I have a problem and a possible solution, was hoping to get some input here.

Ten months ago I bought the following setup (to cool an OC'ed I7-920) all from sidewinder:

Swiftech Apogee XT CPU waterblock
Swiftech MCP355 pump
XSPC Acrylic Dual 5.25in Reservoir for Laing DDC (MCP355)
HW Labs Black Ice SR1 360 Carbon Black Triple 120mm Radiator
Bitspower fittings
MiniNG controller to control pump speed



The problem is that it gave me migraine headaches, that MCP355 has the nastiest little metallic sound that would just get into my head and by the end of each day my ears would be ringing so bad it made me consider heroin.

Even after I got the MiniNG and undervolted the pump I could still hear it.

Anyway, fast forward to today, I have a completely different rig. I even bought a new case. You can see my setup in my sig, sandy bridge, Raven RV02-B.

This time I am going for super-quiet, but I'm not quite at nirvana yet. My cooler is the V6GT and once I fire up prime95 those two fans are at 2200RPM (think Jet Propelled Aircraft).

So here is my basic question, can I mod the WC setup I have to be super-silent and more efficient ?

I'm thinking of keeping most of what I have and getting an MCP655 with speed control and an acrylic res foam mounted in the hard drive cage of my RV02.

Question of the day: would it be quieter?
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post #2 of 14
Quote:
Originally Posted by ugotd8 View Post
I have a problem and a possible solution, was hoping to get some input here.

Ten months ago I bought the following setup (to cool an OC'ed I7-920) all from sidewinder:

Swiftech Apogee XT CPU waterblock
Swiftech MCP355 pump
XSPC Acrylic Dual 5.25in Reservoir for Laing DDC (MCP355)
HW Labs Black Ice SR1 360 Carbon Black Triple 120mm Radiator
Bitspower fittings
MiniNG controller to control pump speed



The problem is that it gave me migraine headaches, that MCP355 has the nastiest little metallic sound that would just get into my head and by the end of each day my ears would be ringing so bad it made me consider heroin.

Even after I got the MiniNG and undervolted the pump I could still hear it.

Anyway, fast forward to today, I have a completely different rig. I even bought a new case. You can see my setup in my sig, sandy bridge, Raven RV02-B.

This time I am going for super-quiet, but I'm not quite at nirvana yet. My cooler is the V6GT and once I fire up prime95 those two fans are at 2200RPM (think Jet Propelled Aircraft).

So here is my basic question, can I mod the WC setup I have to be super-silent and more efficient ?

I'm thinking of keeping most of what I have and getting an MCP655 with speed control and an acrylic res foam mounted in the hard drive cage of my RV02.

Question of the day: would it be quieter?
Of course, every little bit helps. I would buy low speed HIGH PRESSURE fans (think yate loon) and run them at the full 12v 24/7. I don't know how you are currently able to throttle your fans, but I hope you don't have them all plugged into one header on your board.
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post #3 of 14
Thread Starter 
I have three GentleTyphoons (AP-15). Couldn't hear them at all. The pump was the noise problem. Thanks for the suggestion tho, I'll look at replacing the fans as well.
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post #4 of 14
have you bled the system?my pumps were noisy if there was the tiniest bit of air in them
failing that you could always put the pump on anti vibration mounts and lag the sides of the res you cant see to try and minimise noise pollution.
take the pump apart and inspect for cause of irritation?
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post #5 of 14
Why don't you just buy a different pump.
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post #6 of 14
Thread Starter 
Quote:
Originally Posted by catcherintherye View Post
Why don't you just buy a different pump.
That's what I'm considering, looking for suggestions as to which pump would be quiet and work with my setup.

Also, after this last experience, looking to not use a bay res since that puts the pump noise right up front.
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post #7 of 14
I have the same pump and can not tell its even on.

You either have air in your loop, its not secured properly, or it is bad and you should RMA.
    
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post #8 of 14
The MCP355 is loud when mounted in that resevoir, I will agree with you there. There are cheaper alternatives to buying a new pump, though. Why spend money when you can try a few things first?

The first thing I would try (I use the same reservoir and did it with mine), is: grab some left over tubing (I hope you have some!) and cut it lengthways, i.e. straight down the middle so it folds out. Put something heavy on it for a while until it's pretty much flat, it may take a while. You may need to use some water-based lube to do this (I had to), but lodge the tubing between the reservoir and the chassis.

I found that the vibrations from the pump were transferring to the acrylic thus vibrating against the sides of the bay enclosure which created the loud noise. It may work for you, it may not, but it certainly helped mine.

Another thing you could try is to isolate the pump. The bottom half of the pump that "hangs out" of the reservoir can be covered using rubber or some other dampening material. If you mount the reservoir above a DVD-RW drive, for example, you can fill the space between the pump and the top of the drive which will dampen the vibrations from the pump.

Just a few suggestions, they will help although I'm not sure if they will make the pump as quiet as you want. I wear headphones so the noise never bothers me.

Quote:
Originally Posted by Somenamehere
I have the same pump and can not tell its even on.

You either have air in your loop, its not secured properly, or it is bad and you should RMA.
It's not the pump itself, the noise is simply the vibrations the pump and the reservoir combined are causing.
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post #9 of 14
line the outside of the resevoir with sound proof foam, buy gentle typhoon ap14/15s and bring them down to the 1200-1300rpm range.
    
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post #10 of 14
Thread Starter 
Quote:
Originally Posted by rmp459 View Post
line the outside of the resevoir with sound proof foam, buy gentle typhoon ap14/15s and bring them down to the 1200-1300rpm range.
I have the AP15s and they are great.

As far as the suggestions on isolating the reservoir, I assume then that I should remove the 4 rubber mounts on either side of the res ?
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