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all you guys with liquid cooled systems help. (gpu water cooling)

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April 28, 2013 8:12:41 PM

My gpu's get way too hot. I have two 7950's in crossfire. I don't really want to spend a shit ton of money, but my computer room becomes a sweat lodge when i'm playing intense games. I have an h70 on my cpu now, but i want to look into an open loop? system so i can cool my gpu's. I'm thinking of just cooling the main gpu to start. I need suggestions on a cooler and a gpu cooling block for a 7950 reference card with a budget in mind..

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April 28, 2013 8:56:14 PM

I would go with this for your cpu and sell the h70 then add this gpu block to the loop..
http://www.frozencpu.com/products/16892/ex-wat-220/XSPC...

http://www.frozencpu.com/products/15577/ex-blc-1081/EK_...


If the gpu block is out of stock just google 7950 water block and you will find some.
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April 28, 2013 9:02:47 PM

Thank you! You think that system will support two gpu blocks? i know NOTHING about these types of coolers. I slapped on the H70 closed loop, but this definately looks more complicated.. Will it fit in my Coolermaster HAF 912?
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April 28, 2013 9:09:43 PM

It is real easy to put together. I have the older 240 version and wish I would have got the 360 as I was going to cool my 2 5850s and cpu. I have my rad mounted outside of my case, It comes with the hardware to mount it outside. You could get away with the 240 version but I would go with the 360 since you are going to cool your gpus too. You should also get a silver kill coil and use distilled water instead of dyed coolant. I learned the hard way using pc ice coolant and then put a blue dye bomb in it when I cleaned my loop out the rad and blocks were dirty with blue crap. I mean don't get me wrong I am still using pc Ice but no dye bombs. I will go with distilled and silver kill coil on my next system flush.
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April 28, 2013 9:12:13 PM

boredmug said:
Thank you! You think that system will support two gpu blocks? i know NOTHING about these types of coolers. I slapped on the H70 closed loop, but this definately looks more complicated.. Will it fit in my Coolermaster HAF 912?


That water cooling kit should do fine for what you need. As for it fitting in your case I can't say as I have not used any HAF. But as long as you can fit 3 120mm fans in the top of that case it should fit but someone with more experience with the Cooler Master HAF cases will have to answer that. I know that kit does fit just fine in my In Win GRone case though.

Just make sure before you buy the blocks for you 7950's that you are using a try reference board otherwise the block may not fit.

As for installing one of the XSPC kits they are not that hard just take your time and do it right and you should have no problems. But read up on what you need to do before you jump in with both feet. It can save a lot of problems later.
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April 28, 2013 10:56:44 PM

There has been a lot of info that's been skipped over here.

First of all, your 7950's.
Figure out whether they have a reference design PCB or not. If they don't, your effectively limited to Universal blocks as your options with full cover will be pretty much nil. If its a reference design board, then you can use almost any block.
www.CoolingConfigurator.com is a good way of finding out if your cards use a reference PCB or not.

Second is the matter of the TDP your going to be dealing with (after overclocking). I have a feeling a slim, low FPI 360mm rad isn't going to be able to deal with a CPU and two 7950 GPU's.
Look up the peak TDP (power consumption) of all the components being cooled by the loop (add in another 20W per pump) and add them together. That is how much heat you have to cool under peak load. Read reviews on the radiators to figure out if it can even handle that much heat, especially at a decent fan RPM value (it may cool 400W at 2000RPM, but will sound like a jet engine). You will likely need multiple radiators.

Third, that XSPC X20 750 V4 pump. Its fine for the kit as is, a CPU loop, but add in two GPU blocks and you add a lot more restriction. With that kind of restriction and with that weak a pump, flow rates are going to be a problem. With a CPU block and two GPU's, your around the point where it may even be considered to get two pumps.
I suggest getting something along the lines of a D5 or DDC pump.

I suggest reading the water-cooling sticky if you haven't already, it should give you enough of an idea to know what your doing.
http://www.tomshardware.com/forum/277130-29-read-first-...
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