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Gigabyte showcases "alternate spinning" fan tech for their RTX 20 series GPUs

Building smarter heatsinks to deliver increased cooling performance

Gigabyte showcases

Gigabyte showcases "alternate spinning" fan tech for their RTX 20 series GPUs

Nvidia's RTX 20 series of graphics cards will release within the next few weeks, bringing with it a collection of new custom GPU designs, all of which will be duking it out for both attention and sales. 

Unique features are often one of the best ways to sell a new graphics card, with technologies like 0db fan curves and support for RGB illumination becoming killer features in recent graphics card generations. 

With Turing GPU featuring larger GPU dies than their predecessors, most people expect Turing to run hotter than their Pascal counterparts, with Nvidia creating an all-new Founders Edition design to deal with the extra thermal output. Several AIBs have also opted to produce custom graphics cards with larger coolers, making their GPUs larger than before, with many versions featuring more than two fans. 

With their custom RTX 20 series graphics cards, Gigabyte has opted to design their custom offerings to be both big and smart, providing what they call "Alternate Spinning" fans with their triple fan graphics card offerings, hoping to produce smoother airflow with reduced turbulence and noise levels.   

Gigabyte's new triple fan Windforce coolers will have the middle fan spinning in the opposite direction to the other two, facilitating smooth airflow between each fan. This change reduces air turbulence and increases the speed at which air can travel through the graphics card, improving the thermal efficiency of the company's heatsink.  

Gigabyte showcases  

If this technology proves to be successful in Gigabyte's RTX 20 series graphics cards, it is likely that other graphics card manufacturers will adopt the same feature in future graphics card generation. Many high-end GPUs today already occupy more than two PCI slots of space within a PC, a factor which will force manufacturers to create more efficient heatsink designs moving forwards, as the standard "make the heatsink bigger" approach is already having negative consequences for some PC builders. 

You can join the discussion on Gigabyte's "Alternate Spinning" fan technology on the OC3D Forums

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Most Recent Comments

06-09-2018, 12:00:40

Daiyus
This is one of those "it's so obvious, why haven't we done it before" developments.Quote

06-09-2018, 12:16:35

Eddie long
looks logical rather than just blasting air in actually give it a flow in-outQuote

06-09-2018, 19:54:07

Kleptobot
i enjoy the "smooth airflow better heat dissipation" where smooth airflow or laminar flow is actually worse for heat dissipationQuote

07-09-2018, 07:03:34

MiNo
Imagine our setups once they pull their fingers out, and invent the superconductor :-) No more heat, only processing power.


Anyways, kinda sad if reversing the direction of a fan is all they can come up with.Quote

07-09-2018, 07:51:56

WYP
Quote:
Originally Posted by Kleptobot View Post
i enjoy the "smooth airflow better heat dissipation" where smooth airflow or laminar flow is actually worse for heat dissipation
Like everything else, there is a balance to be had here, yes perfectly laminar flow would be terrible for heat dissipation, but this design tweak will not by any means make airflow that perfect.

The main problem with the previous fan system was that the airflow from both fans opposed each other, creating a kind of vortex between both air masses that doesn't want to leave the graphics card.

Perhaps there is a better way to phrase that portion of the article, but I don't think we need to go that deep into the field if fluid dynamics.Quote
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