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Water cooling Question re adding SLI to existing loop

post #1 of 3
Thread Starter 
I’m hoping someone knowledgeable in Water-Cooling can help me out with a little advice... (I am a WC newbie)

So I have my CPU (i7 3930k) overclocked to 4.7GHz using the Swiftech H20-320 Edge HD kit
http://www.swiftech.com/h2o-x20-edge-hd.aspx
http://www.swiftech.com/h2o-x20-edge-hd.aspx#tab2

I’m using all 1/2” ID tubing, there is nothing else in my loop and I have the Swiftech kit mounted externally at the back of my Corsair 600T case using a rad box.

However I would now like to water cool my Nvidia GTX 680 SLI setup.

My intention is to add the video cards to my existing loop, though I understand that adding my dual GPUs would be too much for my single 360 rad, so here’s my idea: I’d like to add a 240 rad into my loop and continue to use the existing integrated pump / reservoir that comes with the Swiftech H20-320 Edge HD kit because I don’t want to complicate things by buying a reservoir and stand alone pump for the new 240 rad and running a second dedicated loop...

The Integrated pump in my Swiftech kit is a MCP35X and can move 17.5 LPM.

I was planning to mount the new 240 rad on the inside of the roof of my Corsair 600T and continue using all ½” ID tubing. A 240 is the biggest rad I could use, there simply is no room inside the case for a 360. I haven’t decided if I would use 2x120 fans pushing or pulling (dependent on space inside the case) and I also wonder as to the depth of the 240 rad. Is a thicker rad necessarily better?

The intended new loop would be:

360 rad ->CPU @4.7GHz ->240 rad -> gtx 680 sli parallel (EK FC gtx 680 water-blocks + EK-FC sli link bridge Parallel water flow not serial) -> 360 rad
Would this work out for me?

Finally, any advice on the placement of QDCs (Quick disconnects) would be much appreciated.

Thanks so much for all your help and advice fellas...
post #2 of 3
Hey Siskods9,

Alrighty then let's see here, first off yeah you definitely need that 240. A thicker 240 will provide better cooling so long as you have fans to push air through it. If you can fit an Alphacool Monsta 240mm with fans in push or pull that would be ideal, otherwise you could go for a normal thickness Alphacool UT60 240mm in push pull. If that doens't fit go for a slimline XSPC EX240 with push pull, they provide almost identical performance to full thickness rads with a good deal of space saved.

Your loop order is fine.

As for the QDCs it dpeends on what you want to use them for. I personally would put a pair before and after the GPU block so it's easy to pull those out should you need to for any reason. Also do you already have a fill port setup? Otherwise you could use a threaded QDC to your res as an easy way to fill your loop; just plug in the other end with a tube and start filling.

Hope this helps
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Project Taco
(17 items)
 
  
CPUMotherboardGraphicsGraphics
i7 4770k Z87 G1 Sniper 5 EVGA 780 TI Classified EVGA 780 TI Classified 
RAMHard DriveCoolingCooling
Avexir Core Series 4x4GB White Samsung 840 EVO Corsair H100i Noiseblocker eLoops 
OSMonitorMonitorKeyboard
Windows 8.1 QNIX QX2710 QNIX QX2710 KBT Pure MX Whites 
PowerCaseMouseAudio
EVGA Supernova 1000W Gold NZXT H440 Func MS-3 O2/ODAC 
Audio
MrSpeakers Mad Dogs (Fostex T50RP Mod) 
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post #3 of 3
Thread Starter 
Hi PhantomTaco,

Thanks for the reply.

The Swiftech H20-320 kit has a fill port integrated at the top of the rad (pump on the bottom), which in my case is mounted vertically outside my case. There is no reservoir in the traditional sense, you just pour in the coolant until you fill the loop...

Yeah... the intention for the QDCs is just one of convenience when it comes to disconnect and remove the video cards.

This is not my system but the pic is similar, same case and has the exact same swiftech kit mounted in the same place I do.


Edited by Siskods9 - 10/1/12 at 7:28pm
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