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How much rad do I need?

post #1 of 15
Thread Starter 
I will be running a CPU (2600K) and 1 or 2 GPU's (580).

280mm rad Corsair 650D AND Lian Li B25FWB
OR
280mm rad + Phobya 200mm rad Corsair 650D ONLY
OR
240mm rad Corsair 650D AND Lian Li B25FWB
OR
240mm rad + Phobya 200mm rad Corsair 650D ONLY
OR
240mm rad + 240mm rad Lian Li B25FWB ONLY
OR
280mm rad + 240mm rad Lian Li B25FWB ONLY

Case:
Corsair 650D
OR
Lian Li B25FWB

Radiator brands:
Black Ice
EK
XSPC
Thermalchill
Phobya (for the 200mm)
and other brands?
Edited by somebodysb2 - 5/2/11 at 1:34am
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post #2 of 15
2600k stock TDP is 101watts, 580 TDP is 244 stock. So 589 watts at stock speeds.

A single 360mm with decent fans can cool that. A 280mm as slightly lower performance than a 360.

The only brand you named was Phobya so hard to say for sure. What fans are you planning on, how much over clock.

Check out this thread by Martin http://www.overclock.net/water-cooli...eadsheets.html It is a bit out of date but you can do the calcs yourself.

Or check out Skinnee labs.

Looks like the Phobya are decent, on par with the Swiftech rads so pretty good but there are better out there.
post #3 of 15
Thread Starter 
Quote:
Originally Posted by RatDog View Post
2600k stock TDP is 101watts, 580 TDP is 244 stock. So 589 watts at stock speeds.

A single 360mm with decent fans can cool that. A 280mm as slightly lower performance than a 360.

The only brand you named was Phobya so hard to say for sure. What fans are you planning on, how much over clock.

Check out this thread by Martin http://www.overclock.net/water-cooli...eadsheets.html It is a bit out of date but you can do the calcs yourself.

Or check out Skinnee labs.

Looks like the Phobya are decent, on par with the Swiftech rads so pretty good but there are better out there.
My case(s) cannot fit 360 rads.
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post #4 of 15
A good 360 rad will do good.

So, If you can do a 240 + 120 that will be fine.
Thermochill is another company.

HWLabs Black Ice SR-1 120 + 240 OR 280 will do.
HWLabs Black Ice GTXtreme 120 + 240 OR 280 will do. (High static pressure fans)
XSPC RX 240 + 120. (Very similar to the SR-1)
Thermochill TA120.1 + 120.2
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post #5 of 15
You have a case labs M8 or M10 and you can't fit 360 rads? I think you can fit something like 4 of them in either of those monster cases.

2x 240mm rads = 1x 480mm rad or even more than a 360. But the performance is dependent on the FPI and fans you use as well as blocks and flow. More than 2x 240's only gives you even more surface area and will dissipate more heat.
post #6 of 15
Thread Starter 
Quote:
Originally Posted by RatDog View Post
You have a case labs M8 or M10 and you can't fit 360 rads? I think you can fit something like 4 of them in either of those monster cases.

2x 240mm rads = 1x 480mm rad or even more than a 360. But the performance is dependent on the FPI and fans you use as well as blocks and flow. More than 2x 240's only gives you even more surface area and will dissipate more heat.
Read the OP.

EDIT:
Can I do a Black Ice Stealth 240mm/280mm rad and then push pull it with 4 fans?
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post #7 of 15
Quote:
Originally Posted by somebodysb2 View Post
Read the OP.

EDIT:
Can I do a Black Ice Stealth 240mm/280mm rad and then push pull it with 4 fans?
Yes, you can, but they are not the best preforming rads. You would probably want another rad somewhere. 120 at the back of the 650D? I would recommend getting a different rad(s).
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post #8 of 15
Thread Starter 
Whats the temp differences between slim rads and thick rads?
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post #9 of 15
The RX or SR-1 will give you much better performance. As will the GTXtreme if you have very good fans. Thermochill TA.

The GTStealth is also very restrictive.
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hwlabs gtx120 hwlabs gts 360 xflow ek fc5870 nickel+acetalx3 changes 
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Everything on 201tb nas nothing Koolance CPU-370 hwlabs sr-1 420 
CoolingCoolingCoolingOS
hwlabs gtx120 hwlabs gts 360 xflow ek fc5870 nickel+acetalx3 changes 
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post #10 of 15
Thread Starter 
so how many rad(s) do i need?

I will be forced to get rs240 or a similar 280 due to size limitations.
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