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Thermalright Ultra-120 Extreme Vs Zalman 9700 - Page 3

post #21 of 41
prob worth waiting for the WC setup anyway.

Very jealous need an upgrade myself
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post #22 of 41
Quote:
Originally Posted by Swtethan View Post
muahahahahaha this is mine:
WOW. I thought my Tuniq Tower was huge. Is there scientific evidence that having a push-pull 2 fan config helps temps?
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post #23 of 41
Thread Starter 
We'll see!
post #24 of 41
Quote:
Originally Posted by cognoscenti View Post

l
That is awesome Looking

I havent seen a pic of one of those in action yet
    
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post #25 of 41
Quote:
Originally Posted by nitteo View Post
WOW. I thought my Tuniq Tower was huge. Is there scientific evidence that having a push-pull 2 fan config helps temps?
At the risk of attempting a thread jacking, I'll be brief.

I posted this earlier this summer. Basically, my finding was that push-pull didn't lower temperatures; what it did, though, was dramatically accelerate the cool-down.

Sorry if this is off-topic.
    
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post #26 of 41
Thread Starter 
Quote:
Originally Posted by txtmstrjoe View Post
At the risk of attempting a thread jacking, I'll be brief.

I posted this earlier this summer. Basically, my finding was that push-pull didn't lower temperatures; what it did, though, was dramatically accelerate the cool-down.

Sorry if this is off-topic.
Not at all, thanks for the info!
post #27 of 41
Quote:
Originally Posted by nitteo View Post
WOW. I thought my Tuniq Tower was huge. Is there scientific evidence that having a push-pull 2 fan config helps temps?
There are mixed views on this topic.

Some say yes, others no. It really depends upon the type of fan you use

The focussed type fans such as Deltas do produce a far greater air pressure differential than say standard case fans would produce at the same RPM.

This would negate the need for a second fan in a "pull" arrangement.

Saying that it all really comes down to experimentation.
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post #28 of 41
Quote:
Originally Posted by MjrTom View Post
There are mixed views on this topic.

Some say yes, others no. It really depends upon the type of fan you use

The focussed type fans such as Deltas do produce a far greater air pressure differential than say standard case fans would produce at the same RPM.

This would negate the need for a second fan in a "pull" arrangement.

Saying that it all really comes down to experimentation.
So its really DOWN TO CFM, doesnt matter if its 2 fans or 1 , the higher CFM wins in lowering temps?
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post #29 of 41
well, yes, but there's a point where CFM doesn't have any effect, and we're limited by conduction to the fins.
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post #30 of 41
Quote:
Originally Posted by nitteo View Post
So its really DOWN TO CFM, doesnt matter if its 2 fans or 1 , the higher CFM wins in lowering temps?
Actually, before my gaming rig went down, I was running some experiments; I'm not done with these, but they suggest that CFMs may not have that big an impact in the performance of an HSF. Ambient temperatures and the actual mounting of the HSF have a much bigger influence than the fans attached to the heatsink.

At this point, though, I can't comment further other than share that little bit. Once I get my board back from RMA, I'll run some more tests and share some data.

That is, unless I get hit by a bus or something before then...
    
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