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How big passive radiator do I need to cool i7+GTX580?

post #1 of 19
Thread Starter 
Hi guys,
how large passive radiator do I need to cool i7 920+ dual GTX580?

Does anyone have a formula to calculate this?
TDP vs radiator surface area?
Edited by pionee - 5/13/11 at 11:22am
post #2 of 19
I could be wrong, but since no one else is answering I'll give it a shot. I don't think those would be good for a passive radiator since the fin density looks high and air would have a hard time flowing though it without a push (fans).
post #3 of 19
Wait this question is coming from the guy that says he's "very very very poor" and can't afford to buy 2 fans?

How do you expect to get that i7 + 570 combo? Trade that giant radiator for it?
/hwaw
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/hwaw
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post #4 of 19
same guy talking about 3 of the 1080 rads.
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post #5 of 19
Thread Starter 
Quote:
Originally Posted by Taylorsci;13491583 
I could be wrong, but since no one else is answering I'll give it a shot. I don't think those would be good for a passive radiator since the fin density looks high and air would have a hard time flowing though it without a push (fans).

the radiator can be 1 cubic meter big

OK, if I want, I can make it 10 cubic metre
post #6 of 19
Quote:
Originally Posted by hyujmn;13491619 
Wait this question is coming from the guy that says he's "very very very poor" and can't afford to buy 2 fans?

How do you expect to get that i7 + 570 combo? Trade that giant radiator for it?
Maybe he's very very poor after buying it biggrin.gif Or it's not for him.
post #7 of 19
Step down to a 570 a buy some fans.
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post #8 of 19
Thread Starter 
Quote:
Originally Posted by hyujmn;13491619 
Wait this question is coming from the guy that says he's "very very very poor" and can't afford to buy 2 fans?

How do you expect to get that i7 + 570 combo? Trade that giant radiator for it?
Quote:
Originally Posted by Taylorsci;13491645 
Maybe he's very very poor after buying it biggrin.gif Or it's not for him.
Quote:
Originally Posted by Zate;13491629 
same guy talking about 3 of the 1080 rads.
Quote:
Originally Posted by Zate;13491646 
Step down to a 570 a buy some fans.

Guys please!
I didn't mean I own i7+gtx580.
I just want the formula (TDP vs Surface area of Radiator), so that I will know how big radiator I need to make.

Edited by pionee - 5/13/11 at 11:34am
post #9 of 19
Quote:
Originally Posted by pionee;13491633 
the radiator can be 1 cubic meter big

OK, if I want, I can make it 10 cubic metre

Pump requirements would make it not worth it.

Can you not have some really silent fans? (I assume that is what you're aiming for)

As for thermodynamic modelling of the requirements to dump that heat, you wont get a decent model for the size of rad you need easily.
    
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post #10 of 19
Just buy a thermalright shaman or artic extreme plus for the gpu and a passive cpu heatsink (Hr-02 or scythe orcohi). Seriously you won't notice the difference, that's what I'm running and i'm very disconcerning noise wise.
If you go on spcr though there is a guy who built his own full copper case that functioned as a rad. It's pretty hardcore:

http://www.silentpcreview.com/forums/viewtopic.php?f=14&t=58457
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