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WC Setup- NZXT Tempest, GTX470 SLI, maybe i7

post #1 of 11
Thread Starter 
Hi, I was wondering what kind of loop would be appropriate for GTX470's in SLI to overclock without crazy fan noise... I want to put those under water more than the i7, but may try to add the CPU in the future...

I have an NZXT Tempest case which is already pretty crammed, I would like to have this loop internal as much as possible while still acheiving exceptional cooling for the 470s (since lower temp allows higher shader clocks practically linearly).

I have seen the mod done here that allowed a 360 rad in the top of the case, but I would prefer not to do anything that requires destroying or otherwise seriously modifying the chasis if possible...

I assume I am going to be suggested a 360 rad, perhaps it could fit on the front? Or would a better approach be to use a 240 on the top and then another 120 elsewhere?

Sorry, I have read a lot on the forums here and elsewhere but there's not much info using the Tempest and as you can see, I'm currently a mess as far as planning this out goes- I just want to do it without having to spend a lot more than necessary (getting a corsair 800D for $300, for example...)

Thank you very much for any assistance~

EDIT:
Oh, and I am used to the constant noise of the NZXT fans on a controller, I am not sure if they are 1000 or 1500 RPM, but they're pretty quiet, so suggestions keeping low noise in mind would be nice... I have headphones, but the people around me do not
BlueStorm
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CPUGraphicsRAMHard Drive
Xeon W3520 GTX 470 SLI 3x2GB OCZ Gold 1600Mhz 2xSamsung Spinpoint F3 RAID0 
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Windows 7 x64 750W Corsair TX NZXT Tempest 
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BlueStorm
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post #2 of 11
You will need a 360 rad for sure to keep those puppies cool, especially if you want to overclock them. I don't think a 240 rad + 120 rad = a 360 rad so I'd try to mod the case to fit a 360 if possible..or mount one off the back. It doesn't look too bad IMO and that way you'll get better temps.

I would recommend a Feser XChanger triple or an XSPC RX360 rad as I'm afraid anything smaller won't be able to get the temps you are hoping to get.

I saw a post a couple minutes ago about a guy who had a 480 rad (looked like an XSPC or Feser) cooling his GTX480 + i7 and his OC'd temps on the single 480 were ~56C. I would imagine 2 470's would be similar in terms of heat generation to what he had (if not slightly less), and he was using a 480 rad.
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post #3 of 11
Thread Starter 
Suggestions on how to mount it to the back? That's the kind of info I was having serious problems finding...
My case is already crammed anyways, too many wires D:
BlueStorm
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BlueStorm
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post #4 of 11
Cable management!

There is a Swiftech Radbox that you can grab, it's 25mm thick and you attach it to the case where the rear exhaust fan goes (on the outside obviously) then you attach a rad to it on the other side. It holds a radiator off the back of a case.
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post #5 of 11
Thread Starter 
Thanks for the help... repping, of course...
So, at best I'd probably need two pumps if I had the CPU right? So is there anything to consider making a loop for 2x470s if I might add my i7 later? Or would I need a second pump anyways to go with the [240rad on top] and cpu block?

Would there be any possible benefit/savings to planning the possibility of making it all 1 loop, maybe like cpu>res>pump>240rad>GTX470>GTX470>360rad>back to cpu?

I can't find any references to pumps, and this 'high resistance' or 'high flow' thing. Basically trying to see what my minimum price would be to have a solid water cooling on these, while still considering that adding the CPU later might cost more if I don't plan ahead... if that makes sense...

Thanks
BlueStorm
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BlueStorm
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post #6 of 11
Quote:
Originally Posted by heraisu View Post
Thanks for the help... repping, of course...
So, at best I'd probably need two pumps if I had the CPU right? So is there anything to consider making a loop for 2x470s if I might add my i7 later? Or would I need a second pump anyways to go with the [240rad on top] and cpu block?

Would there be any possible benefit/savings to planning the possibility of making it all 1 loop, maybe like cpu>res>pump>240rad>GTX470>GTX470>360rad>back to cpu?

I can't find any references to pumps, and this 'high resistance' or 'high flow' thing. Basically trying to see what my minimum price would be to have a solid water cooling on these, while still considering that adding the CPU later might cost more if I don't plan ahead... if that makes sense...

Thanks
I'd bet you could do it with one pump if you had a nice MCP655, or something of similar quality
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Forever Young
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post #7 of 11
Thread Starter 
Oh and also (along with the more elaborate question above), the swiftech radbox can hold a 360rad? I was looking at their manual for it and it only talks about using it on the back with a 120 or 240..
EDIT:
Links if anyone cares
http://www.swiftnets.com/products/MCB-120-R2.asp
http://www.swiftnets.com/products/in...20-Rev3-EN.pdf
BlueStorm
(13 items)
 
  
CPUGraphicsRAMHard Drive
Xeon W3520 GTX 470 SLI 3x2GB OCZ Gold 1600Mhz 2xSamsung Spinpoint F3 RAID0 
OSPowerCase
Windows 7 x64 750W Corsair TX NZXT Tempest 
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BlueStorm
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CPUGraphicsRAMHard Drive
Xeon W3520 GTX 470 SLI 3x2GB OCZ Gold 1600Mhz 2xSamsung Spinpoint F3 RAID0 
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post #8 of 11
I run my sig rig with a 240 in front and a 120 out back. seems to work just fine for me. I am a stickler though, I want more cooling power. I am planning an i7 ugrade, plus at least one more GTX480, in a Lian Li 343b case with a 240 for the CPU and two 360s for the gpus.
post #9 of 11
Thread Starter 
Ok.. starting to make a potential build list...
1a: The Swiftech320 rad could probably handle both GTX470s, and a pump right? Let's assume that absolute worst case they end up drawing 500-550W?

1b: Assuming "yes" to that question,
Swiftech MCR-320-QP Rad
Version with res
Is there any reason to not get the res version? It seems to be a good idea for space/loop design as well as cost...

EDIT:
For the first part of my question above, I saw one of Martin's excel spreadsheets used this exact rad... so I tried it out. Put in 500W power, 1850RPM Gentle Typhoons (better suggestion for low noise cooling?), on one Swiftech MCR320... it gave a 9.19C Delta... just some extra information, still looking for input though!
Edited by heraisu - 6/11/10 at 2:27am
BlueStorm
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CPUGraphicsRAMHard Drive
Xeon W3520 GTX 470 SLI 3x2GB OCZ Gold 1600Mhz 2xSamsung Spinpoint F3 RAID0 
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Windows 7 x64 750W Corsair TX NZXT Tempest 
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BlueStorm
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CPUGraphicsRAMHard Drive
Xeon W3520 GTX 470 SLI 3x2GB OCZ Gold 1600Mhz 2xSamsung Spinpoint F3 RAID0 
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post #10 of 11
No reason not to get the non-res version unless you like the look of bay/cylinder reservoirs and would prefer one of those. Functionally, I don't think it makes much of a difference.

I'm not 100% sure that that rad would be able to handle your 470's, it isn't a very big rad..
Like I said earlier, I would try to get an XSPC RX360 or Feser XChanger 360 if possible. If you can't get either of those, or don't want such a big radiator, then I guess go for the MCR320.
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XSPC EX120 EK Supreme HF Swiftech MCP355 w/ EK Top Windows 8 Professional Plus MC 64-Bit 
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LG W2442PA 24" 1080P LG W2442PA 24" 1080P Das Keyboard Model S Professional Silverstone ST45SF-G 450W SFX  
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Ace
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Samsung 840 PRO Series 256GB WD Scorpio Black 750GB Asus External XSPC EX240 
CoolingCoolingCoolingOS
XSPC EX120 EK Supreme HF Swiftech MCP355 w/ EK Top Windows 8 Professional Plus MC 64-Bit 
MonitorMonitorKeyboardPower
LG W2442PA 24" 1080P LG W2442PA 24" 1080P Das Keyboard Model S Professional Silverstone ST45SF-G 450W SFX  
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