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Date: October 23rd, 2006
Article by: Joe Anderson (Hardware Reviewer)
Edited by: Nathan Glentworth (Owner / Head Editor)
Product was submitted by: Apack
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APACK ZEROTHERM GX710 INTRODUCTION



While CPU temperatures have been on the decline recently, graphics processors seem to be taking the opposite course. For the most part, the OEM coolers on these newer graphics cards are loud and their cooling performance can be described as adequate at best, especially if the user wishes to do some overclocking. More often than not, PC enthusiasts in general and gamers in particular, are searching for aftermarket solutions that not only improve cooling and reduce noise, but are compact enough to utilize two cards in SLI.


Apack has been around for some time, but their ZEROtherm division, is a newcomer to the cooling aftermarket. ZEROtherm has recently released some VGA coolers that certainly look impressive and promise improved cooling with less noise. They're compact as well. TweakNews recently reviewed the GX700, ZEROtherm's lightweight aluminum cooling solution (You can see the review HERE .) This time we'll be looking at the GX710, a similar design but employing copper fins. I've been fairly impressed with their CPU cooler line and the GX700 VGA cooler. Let's see how the GX710 compares.

 

APACK ZEROTHERM CORPORATE PROFILE


Micro chipset technology has been improving rapidly in accordance with Moore's Law that states the complexity of integrated circuits, with respect to minimum component cost, doubles every 24 months. Yet this has resulted in the overheating of high performance computer & electronic products. First generation solutions simply looked to upgrade existing solutions which were noisy and inefficient.


ZEROtherm is engineered for the objective of decreasing noise into the “ZERO” range while effectively addressing thermal issues. ZEROtherm products are optimized cooling solutions to reduce both noise and heat. Our core thermal packaging technology (including heat pipe technology and micro electro mechanical technology) is the basis for all ZEROtherm products.


We seek to exceed consumer expectations by developing, designing, and producing “best-of-breed” solutions from our extensive technological and engineering capabilities.

 

SMALL HEATPIPE TECHNOLOGY TUTORIAL


I am going to keep this as simple as possible to get the basic premise across to all of the Tweaknews readers. Please don't be insulted if this is too simple for your education level. I have to cater my writing to the least technical reader looking for information.



The basic idea behind heatpipe technology is really simple.


1.) With a tube containing a compressed fluid/gas, the fluid comes in contact with the heat source (the CPU core, in this case) which heats up the volatile fluid and turns it to a gas. The energy is absorbed in the gas production process and is ready for transportation.

2.) The heated gas now travels along the inner portion of the tube where it comes to the cooling portion of the heatsink in this example.

3.) The radiator, with or without a fan, will cool the liquid and transfer the energy (AKA heat) to the radiator to be dispersed to the surrounding air. With the heat removed, the vapor quickly condenses back to a fluid and runs along the inside surface of the pipe back down to the bottom where the process can be started all over again.
For another example, you can consider a boiling pot of water with a glass lid as a very very basic heatpipe. When the water boils, the water vapor comes in contact with the cooler glass pot lid which forces the vapor to condense back to water where is dribbles back down the inside of the lid back into the pot.


It's basic, but it gets the point across.

 

 


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