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Liquid cooling isn't really quieter it seems. - Page 3

post #21 of 38
Quote:
Originally Posted by fr0st. View Post
If you water cool your graphics card then it's a lot quieter.

My computer is barely audible with better performance then top air coolers on full blast.

Liquid cooling IS really quiet, you just have to do it right
I agree. It really depends on the graphics card, though. I've had cards that you could barely hear and then I had my current one (EVGA GTX 470) that drove me to water cool. It sounds like a Jet taking off with it's stock cooling.

Don't get cheap with the fans, either. It's worth the extra few bucks to get a good set.
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post #22 of 38
I had the same thought until I put my pump under PWM control.

I was sticking my GT15's on 12V and the pump on high and it was louder at idle than previously (EVGA 570 on air and DH14) but quieter than my EVGA on load.

I am now controlling the pump via PWM on my mother board, so it's deathly quiet at idle and still way quieter than it was previously on full load.

As i sit here right now my GPU is at 26C and my CPU at 28C, the reading on my motherboard says 29C and my thermostat is set for 24C.

under load GPU sits about 35-38 and the CPU abut 45-50.

I am very happy
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post #23 of 38
Epic butthurt OP

Buy non-custom loop.
Complain about noise.
?????
    
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post #24 of 38
Thread Starter 
I wasn't at all complaining, just questioning how people taught it was quieter. I have found my answer here, and I thank you all!
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post #25 of 38
Took my Sig Rig to a LAN last week with some friends. Top Exhaust 230mm, Front Intake 230MM, Rear Exaust 120mm R4, 120MM R4 on my Xiggy DK, ASUS ENGTS450 Direct CU at 75% fan. I could still hear my opponents rig with his H2O System on CPU(q6600) and GPU(GTX 560) from acrossed the table(6footer) over mine. All my fans run at 100%. My GPU was at 54*c and my CPU was at 47* and 49* respectivley. His temps were about the same as mine with a 240 Rad and whatever fans he had on it(dimpled fan blades?)

I think he is doing it wrong....
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post #26 of 38
If you want silence from water cooling, the Rasa kit was the wrong way to go. The hardest parts of a Water cooled PC to silence are the pump and the hard drives. Want to silence the radiators? Get more radiators and run the fans slower. Easy.

The pump needs to be adjustable speed, and or mechanically isolated and acoustically dampened. I'm running an isolated a throttled MCP 355 off an Aquacomputer Poweradjust USB 2.
    
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post #27 of 38
Quote:
Originally Posted by kdb424 View Post
I have just purchased the XSPC RS240 for my AMD machine. First off, let me say, wow. It's amazing, and I haven't even installed my PC in the case yet. (currently leak testing, dry for 15 hours thus far, and waiting for motherboard RMA in the mail)

Anyways. One thing I have noticed about this kit is the noise factor of the pump.
the pump from rs kits is worse then anything that comes to my mind. laing d5 FTW! but its quite costly :/ you could also get a ddc with heavy top, like phobya top. block of metal that weights nearly 1kg, this will prevent ddc from vibrating for sure. but best would be a ek/phobya DCP 2.2 for a small loop like yours. be aware that all those pumps i said needs additional res to trap air somewhere. if you want your loop to become more silent, it is your only option. also when you will change your pump, you may see better performance due to better flow (dcp 2.2 will not give such greater amount of flow as laings, but still will help)
Edited by prznar1 - 6/3/11 at 3:11pm
post #28 of 38
Quote:
Originally Posted by Phos View Post
If you want silence from water cooling, the Rasa kit was the wrong way to go.
I'm using a Rasa kit (RX360 + DD GPU block) and it's pretty damn good. I do admit the tubing and fans that came with it are garbage. Replace that with quality stuff and you are good to go.
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post #29 of 38
I am not familiar with the Raza kit so this might be useless info to you.

But if your pump is too noisy, look to decouple it from the case. A lot of the pump noise (if not most of the pump noise) comes from vibrations it transmits to the case. especially if it's a metal case.
By putting rubber washers on the parts that screw the pump to the rest of the case you will help get it more quiet. Have a look at this article for more info:
Pump Decoupling Comparison
Notice the comments at the bottom of the page, that's me.

Also consider this: let's say you need 50 cfm of air to cool your cpu on air cooling. well, you will also most likely need the same 50 cfm of air to cool your cpu even when you change over to water cooling.

But here is how water cooling can get more quiet: instead of having a single fan cooling the cpu heatsink, you can have 2,3 or 4 fans on a radiator to move that same amount of air over a larger area. So you have more fans turning more slowly to move the same amount of air so it makes a lot less noise.

My last build 5 years ago was with a Thermaltake Symphony water cooler kit. Now everyone tells me that system was a piece of @#$% but it worked very well for the last 5 years. And most of all, I could not hear a single fan or a pump. Even at full blast,the whole thing was completely quiet.
Now, it didn't offer much more cooling capability then air cooling. Basically the Tt Symphony was intended for people who want to run a machine in their living room with no noise and it did just that.

So your system isn't really a bad one, it's just an entry level w/c system, as my Symphony was. But next time you will most likely make it better then this one, as I am doing.

Cheers,
PepeLapiu
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post #30 of 38
If anyone actually made an air cooler that could maintain safe temperatures on my i7-950 @4.3 Ghz folding 24/7 in ambient temperatures of up to 31ºC, I'm pretty sure it would be WAY louder than my WC setup.
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