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Thermalright Ultra-120 Extreme Vs Zalman 9700 - Page 4

post #31 of 41
Quote:
Originally Posted by cognoscenti View Post
l
Where'd you find that shot?

I'm dieing to read some more reviews (hardops was sort of sucky) ...
    
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post #32 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?
Yeah sort of. It is more the pressure the air is fed at through the heatsink fins .
low pressure fans cause the air to turbulate and not flow linear where as fans which produce a higher air pressure reduce the resistance created by the heatsink fin arrangement and flow better.

Also worth noting is that if you use a dual fan "push-pull" arrangement they need to be matched in model and also RPM. Rememer the air will only move as fast as the slowest fan in the series.

Anyway enough
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post #33 of 41
I want to see some reviews on this HS, Is it just me or does anyone else think that one side of this cooler is always going to be warmer then the other no matter the fan setup? Not to mention the localized hot spots you will get from air turbulence. Looks cool thou
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post #34 of 41
Quote:
Originally Posted by darkclock View Post
I want to see some reviews on this HS, Is it just me or does anyone else think that one side of this cooler is always going to be warmer then the other no matter the fan setup? Not to mention the localized hot spots you will get from air turbulence. Looks cool thou

isn't turbulence what you want in this case? It would be worse to have laminar flow, turbulent flow between the channels would imply nearly uniform temperature profile in the flowing air. At least, ideally.
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post #35 of 41
Quote:
Originally Posted by darkclock View Post
I want to see some reviews on this HS, Is it just me or does anyone else think that one side of this cooler is always going to be warmer then the other no matter the fan setup? Not to mention the localized hot spots you will get from air turbulence. Looks cool thou
Hot spots will occur on any HS, depending on how it is Set and the airflow in the case.
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post #36 of 41
Quote:
Originally Posted by nitteo View Post
Hot spots will occur on any HS, depending on how it is Set and the airflow in the case.
The hotspots on the ultra will be the heatpipe contacts and the base, but if you've reached a steady state, other than those points and the dead space where the fan motor is, I don't think you'd see a hot spot in the middle of one of the fins. I'm just saying the hotspots wouldn't be because of the airflow if we're talking high speed fans, or even medium speed. The hotspots are due to conduction, and we cant avoid them really.
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post #37 of 41
Quote:
Originally Posted by nitteo View Post
Hot spots will occur on any HS, depending on how it is Set and the airflow in the case.
Yeah very true.

I would love to borrow one of those thermal cameras to see just where the hot spots in the case are
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post #38 of 41
My point is that I question having a gap, In my opinion it will create a warm spot of air and secondly that warmer air always has to pass through one of the two Heat sink towers making them unbalanced. On a typical Heat sink the fins create a plane that the air can flow freely through. I agree that inside the case a turbulent airflow can help with cooling as it supplies the heat sink fan with an average temp of air inside your case, but you want a smooth air flow through your Heat sink. Think of it like a convertible car without an aerodynamic windshield to help the air flow over the gap it would make the car less aerodynamic. Anyways just my thoughts It will be interesting to see some reviews on this Heat sink.
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post #39 of 41
So wait, you spent over $80 on an air cooler to "hold you over" until you can buy water cooling?

Girl, you have way too much money, and not enough patience
    
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post #40 of 41
They sell Thermalright IFX-14's! DAMN! I've been looking for those CPU Coolers for ever! I might have to RMA my 9700LED I just perchased from Newegg for one. If I do I'm going to mount 2 Antec TriCool Fans (on Medium) + I'll have my Top Exhaust fan right above the Heatside Cooler...

cognoscenti: PM Me when you are selling your IFX-14!
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