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Water cooling the Define R4

post #1 of 33
Thread Starter 
Hey guys, I need some advice...

I want to water cool both cpu and gpu. The case is able to accommodate a 240 rad at the top and another 240 at the front. However, what I was thinking is, since I don't particularly like top mounts, is using 120 rad at the rear and a slim 240 at the front. Would it be sufficient for proper water cooling? I'm not looking into huge 360 rads nor can the case take it.

I understand that 'thick' radiators don't improve performance by a noticeable margin, do they?

This is the first time I'll be doing a custom LC setup so bare with me. biggrin.gif

Excuse my crappy illustration:

roG0O.jpg

I understand that there're many brands of rads out there, frankly I have no clue on the differences or if all are pretty much the same. I also have no idea on fittings, I only saw couple of projects where people used 'bitspower' or was it 'dragon' something fitting that looked very nice. I'm looking for the ones that need not use of zip ties. That's ugly.
Edited by adi518 - 9/20/12 at 3:55pm
post #2 of 33
a single 240 rad should be enought for chip and gpu if your using more than 1 gpu a second rad would be a good idea
do the setup this way
res pump rad cpu then gpu back to res
    
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post #3 of 33
Thread Starter 
So you're saying I can avoid using a 120 rad at the rear?
post #4 of 33
A slim 240 is far from enough. U can think like for 250W u need about, preferably more than 250mm of rad space. So for a 580 and a 2500k a slim 240 i not near enough, a 60 thick 360 is preferably minimum.
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post #5 of 33
Thread Starter 
I cant use a 360, thats why I suggested a 120 + 240. Btw, I replaced my 580 for a 670 ftw, need to update specs. biggrin.gif
Edited by adi518 - 9/14/12 at 2:28am
post #6 of 33
If you have a 120 in the back and a 240 in the front, you could probably be good. I'm no watercooling expert, but i think it should be fine. As long you have some nice speed Fans in there wink.gif
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post #7 of 33
Ultimately,I think I would choose a top mount 240 and rear 120,due to the front panel cover and filters.A GTX 670 runs pretty cool,so you should be good.
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post #8 of 33
You can fit a 240 on the front and a 240 in the roof. You just use the mesh cutout instead of the actual fan holes for mounting the radiator, which allows you to offset it clearing the motherboard. MNPCTech has a video about mounting the H100 in a similar fashion.
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post #9 of 33
I like your layout, looks like a good plan. thumb.gif That bend coming out of the 5.25" bay will be fun, I imagine you'll need an elbow (which, Martin has shown, doesn't affect performance much if a good elbow is used) wink.gif .

A 240 rad in front and a 120 rad (does that rear position allow for a 140mm?) should adequately cool a 2500k and a 670gtx at stock, and probably allow for some OC'ing. You might be able to go without the rear rad, but why limit your OC? (this is OCN, after all) I think the rear rad would look nice and balance it out, too biggrin.gif.
What sort of fan speed are you looking to run these at? I'd recommend deciding on a desired noise level - the speed you use on your radiator fans will determine what FPI (fins per inch) you should be looking for in a radiator, and this will help guide you to the right radiator for you.

The AX series of radiators just came out from XSPC, they're pretty slim (40mm - 46mm). They're supposed to be quite awesome, but I wish more reviews were out...
Their EX series is also quite slim, and the ST30 from Alphacool is even slimmer.


ps: If you got a slim PSU and case feet, I bet you could even fit a rad in the bottom, anterior to the PSU...but that's a bit excessive.
Edited by decali - 9/16/12 at 7:12am
post #10 of 33
Thread Starter 
Ahh yes, idiot me. The new r4 comes with a 140mm rad at the rear, that means I can put a 140 rad! laughingsmiley.gif

So changes of plans, it will be 140 at the rear and a 240 at the front. I won't use bottom mount since I'm going to put a Scythe Himuro down there.

A little work in progress picture:

cm3M1.jpg
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