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Limit to overclocking providing cool temperature maintained

post #1 of 7
Thread Starter 
Hello friends,

Could you clarify something for a total beginner like me. I have a very decent rig with two evga gtx 570 HD in SLI and in some games like metro 2033, BC2 and battlefield 3 my temperature sky rocks to 91c
I understand that my case and fans are not adequate to heat production, so main reason I decided to research water cooling is to keep heat at bay.
But I have few questions:

1) providing you can keep temperature below 60c now much can I overclock my cards ? Is max limit is my temperature output or something else ? Is temperature increases exponentially or something if you go nuts on over clocking even at low temps ?

2) does size of case matters with water cooling system, providing I have enough physical space for water kit ? Is pump big as PSU ? I might need to find some cheap huge case...bigger better right ? biggrin.gif

3) would you kindly recommend me cheapest but decent quality kit for my SLI setup ? Think it is good idea to include something for CPU also, as far as I'm aware one pump can easily manage two cards and CPU right ?

4) any recommendation for case ? How big it should be for dual coolant system ? Do I need two radiators for both cards or one is enough ?

My rig will keep me playing everything on max for a long time so I think it is good idea to prolong lifespan of my hardware plus have extra space for overlocking when time will come versus buying new cards right ?

P.S

I live in United Kingdom


Thank you for your answers guys.
Edited by Dark-union - 10/14/11 at 5:13pm
post #2 of 7
Quote:
Originally Posted by Dark-union;15312000 
Hello friends,

Could you clarify something for a total beginner like me. I have a very decent rig with two evga gtx 570 HD in SLI and in some games like metro 2033, BC2 and battlefield 3 my temperature sky rocks to 91c
I understand that my case and fans are not adequate to heat production, so main reason I decided to research water cooling is to keep heat at bay.
But I have few questions:

1) providing you can keep temperature below 60c now much can I overclock my cards ? Is max limit is my temperature output or something else ? Is temperature increases exponentially or something if you go nuts on over clocking even at low temps ?

2) does size of case matters with water cooling system, providing I have enough physical space for water kit ? Is pump big as PSU ? I might need to find some cheap huge case...bigger better right ? biggrin.gif

3) would you kindly recommend me cheapest but decent quality kit for my SLI setup ? Think it is good idea to include something for CPU also, as far as I'm aware one pump can easily manage two cards and CPU right ?

4) any recommendation for case ? How big it should be for dual coolant system ? Do I need two radiators for both cards or one is enough ?

My rig will keep me playing everything on max for a long time so I think it is good idea to prolong lifespan of my hardware plus have extra space for overlocking when time will come versus buying new cards right ?

P.S

I live in United Kingdom


Thank you for your answers guys.
You seem to assume that all watercooling is the same, it's not. Just as there are differing results with different CPU heat sinks, there are different results with different WC setups. Low end WC setups are about as good as an average CPU cooler. One big advantage of WCing is that it can be much better than air cooling...at a price. It's possible to spend $1K+ on an all out WC system.

1.) I don't know how much your cards will OC. It depends on how cool you can keep then. 60° may not be possible, even with Wcing.

2.) Case size doesn't matter, just so you can keep the MB components and drives cool enough to operate.

3.) The answer depends on how much you want to OC and how much you have to spend.

4.) See 3

Not much help here. Suggest you read up on WCing.

For a start: Martin's Skinnee
Edited by billbartuska - 10/14/11 at 7:55pm
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post #3 of 7
Eventually you will hit a point where even the lowest temperatures will not mitigate voltage leakage. Once you reach that point you have met your true overclocking limit.
    
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post #4 of 7
Quote:
Originally Posted by SpookedJunglist;15313884 
Eventually you will hit a point where even the lowest temperatures will not mitigate voltage leakage. Once you reach that point you have met your true overclocking limit.

And severely depleted your bank account.
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post #5 of 7
Thread Starter 
Thank you for answers. You did clarify few things especially "true limit"
Im doing reading on water cooling, especially external setups as they seems so more convenient.
Thank you again, next time I'll be more specific.
post #6 of 7
As stated earlier, it gets pricey very fast. If you don't have some serious cash to blow you might be better off just manually setting your GPU fans to 100% and dealing with the noise. I put in a loop on my system recently to cool two AMD 6970s and OC my CPU a little better. I'm now about $1500 into it. Once the ball gets rolling it doesn't stop. Granted, there's a reason people water cool. My temps have dropped to less than 30°C at idle across the board. My GPUs that were idling at over 50°C and loading at over 70°C with the fans pushed all the way up now never go higher than 37°C. Even with a quad rad in push/pull my desktop now makes less noise now than my server that's 3m away. I'm not trying to show off, I'm just telling you that there are good reasons to water cool, you just have to be prepared to drop real money. Water Cooling is like crack for nerds, once you get started, you can't stop.
    
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post #7 of 7
Quote:
Originally Posted by Nicktlloyd;15330147 
Water Cooling is like crack for nerds, once you get started, you can't stop.

I literally have coke coming out of my nose right now, thank you:applaud:
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