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Old May 8, 2015, 07:21 AM
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Default Watercooling in a NZXT S340

I want to do my first watercooling setup. I think I might have a problem. Here are my specs.

Case: NZXT S340
MB: Asus Maximus V Gene
CPU: Intel Core i7-4770K (want to OC)
GPU: PNY GTX 970 SLI (Stock)
PSU: Corsair AX 850

The case is tight I basically can do a thin 240 or 280 rad up front like a 30mm rad. TTL from OCD3D did a video and basically said you have 60mm to play with however I think if you use a 240mm rad you can clear the cable shroud on the side. I can do a 120 or 140 rad in the back. I would like to watercool the two GPUs and the CPU but I don't think I'll have enough rad surface area to cool everything.

Here is a pic of the case.



For the other watercooling parts I want to use a Bitspower 150 tube res with a DDC 3.25 pump w/Bitspower top and then hardline tubing and Bitspower fittings. For coolant I am going to use distilled water and Mayhems dye with mayhems biocide.

I plan on mounting the pump and res on the rad.

Thanks.
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Old May 9, 2015, 06:08 AM
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While you don't have to go incredibly thick, I would strongly recommend a 280mm rad and not a 240. I would actually suggest ditching the cable shroud personally if going custom loop.

10e made an excellent watercooled build in this case that used a Monsta 280mm rad, which is 86mm thickness.

You can view it for ideas here:

Ds340-e

Note that he drilled out the rivets for the top panel to measure acrylic tube bends. This shouldn't be necessary if you are using soft tubing.
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Old May 9, 2015, 12:48 PM
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Agreed Vittra. 10e crammed as much kit into this case as is humanly possible.
He did use only a single GPU in this build, but I can see this setup working just fine with SLI.
the fans may need to run loud though.

did you consider the Fractal S for this build?
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Old May 9, 2015, 01:19 PM
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I was looking at the Fractal S but I don't want to have to buy another case.
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Old May 10, 2015, 06:06 AM
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Check this thread on OCN and go down to the AquacoolEstimator.xls. If you don't have access/an account I'll post it on my Dropbox for you.

Radiator Size Estimator

But it shows that a Monsta, or even UT60 radiator in push-only does not match even an ST30 (30mm thick) radiator in push-pull, so I'd suggest going thinner with push-pull fans to gain back some extra room. I love the Phanteks PH-F140MP fans. They are as close as it gets to 140mm perfection, and are quiet even at 1300RPM. At 1200rpm they kept the GPU cool at 45-55 celsius with a water temperature in the mid 30s, so I was happy with that.

The 280+120mm combination will be sufficient to cool the 970s plus 4770K as long as you keep in mind that the 4770k OC will probably need to be mild. The 4770Ks can suck back a lot of power in OC and turn a lot of it into heat. I once had one that took 224 watts to go 4.4Ghz which was embarrassing.

My Asrock motherboard decided to cannibalize its chokes/VRMs so I will probably resurrect this case into action with another combination of parts.
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Xeven: How about 10^8.450980400142567e-001 -as a possible replacement for "10e"

http://www.heatware.com/eval.php?id=71732

Last edited by 10e; May 10, 2015 at 07:13 AM.
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