Watercooling i7

BenShortland

BenShortland

BenShortland

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Joined
3 May 2009
Posts
6
I currently have the below

Thermaltake Armour + LCS
Intel i7 940
Gigabyte Ga58 Extreme
Radeon x2 4870 with EK water block
OCZ Flex 15000 6gb ddr3 Memory

Water cooling setup

Bigwater pump > 940 > north bridge > 4870 > OCZ > Bigwater Rad > Bigwater Res

Currently i am getting 31 idle with just my n bridge and my cpu in the loop however before connecting my memory and graphics i am concerned that I will not be able to get the max with just the bigwater as i belive it was originally designed for dual core 939.Would the below increase my cooling or is it a waste of time??

Bigwater pump > 940 >1st Rad (black ice 140mm dual) > 1st pump (swiftttec) n bridge > 4870 > OCZ > Bigwater Rad > Bigwater Res
 
Dont run two different pumps in the same loop, the stronger one will kill the weaker.

Idle tells us nothing, what is it loading at?

Drop the thermaltake ****e. Get a new, good pump and probably a second radiator. Laing D5 or ddc is where you want to be looking for the pump. DDC if using the ram in the loop.

Be aware that the ocz flex is aluminium, and this is not what you want in the same loop as copper. Look up galvanic corrosion and pay attention to the pictures if nothing else.

Welcome to the forums
 
So what if i get rid of the pump in the big water and replace? would it be best to leave the memory off the loop if it is aluminum??

Sorry i can only give you that temp as my memory is on order wont be here until 2 week. I am very new in the watercooling world but I want to get the most out of my 940.
 
you should go for two loops, one of the CPU and one for the GPU. I have done this and it does work. You can have a look at the links in my sig for more information.

But yeah I have heard bad things about the Thermaltake kit...not the best apparently.
 
Memory on the thermaltake, everything else on a different loop will work well. That's quite a good idea.

A quad radiator for both or seperate loops for cpu and gpu is budget dictated really. I'd go with a laing 18W ddc, single loop and whatever radiators you can fit. A quad would certainly cope with both, but temperatures won't be amazing. Depends a bit on what fits in your case.

The ideal is a laing ddc for each of cpu and gpu, each with their own triple radiator. That's expensive though
 
Is that temperature the motherboard socket temperature or it is the average core temperature? It's pretty good if it's core.
 
Best rad i can fit in the case is a black ice gtx 420 after doing a bit of shuffling and maybe looking at the Koolance PMP-450.So looking at doing the following

koolance pump> cpu > gtx 420 rad > radeon > n bridge> res> pump

Memory on a single loop off the thermaltake

any good.

and 31 is what the mobo reported at with only the n bridge and cpu in the loop odviously not 31 with the g card and memory.
 
no you shouldnt be silly for aiming over 4GHz...I was able to hit 4.5GHz on my 920 D0 under water...albeit it was unstable but I logged into windows at that speed...so your 940 under water should go further I reckon 4.8GHz at a push...but you could hit 5GHz if you really tweak the settings well...
 
Iv not seen anything to suggest a 940 clocks any better than a 920 D0. I would say you should first aim for 4Ghz as even that is outa some chips reach.
 
I'm with samsung, the higher multiplier helps but not as much as I expected it to.

Cpu and gfx on the quad, memory on the bigwater will work well.

I don't know which the Koolance PMP-450 is, but I can assure you that you want the laing D5 or laing DDC. If the above is one of these pumps with koolance written on it you'll be fine, otherwise don't buy it.
 
Is there any tutorials on watercooling? I am certainly thinking of doing it but not sure about water in my box! This discussion is interesting though!
 
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