2014/09/22 11:19:36
delfinus
I agree
Stephenk291
Guys keep in mind that the two biggest heatpipes make full contact, its the 3rd smaller one that does not.  I wouldn't go so far as to say its a defect, but more or less kind of lame on their part with reusing an existing cooler that didn't necessarily fit all the way.  While it might not run as cool as some other brands, unless its going to affect performance or cause problems..don't start the witch hunt just yet.


I agree with this. Untill we don't have screen captures and numbers on temperature while eVGA GTX 970 is in use under heavy load (Furmark, gaming, etc.) that article in the first post is a total witch hunt.
2014/09/22 11:27:59
Stephenk291
I'm somewhat surprised EVGA hasn't responded but this seems more like cost savings than a defect.  That overclockers thread is showing people noticing a 2-3 degree temp difference which is nothing.  I don't think people need to go and return their cards and start a massive panic for something that could ultimately be a non-issue.
 
I do however think this issue warrants and EVGA response.
2014/09/22 12:07:25
mack-attack
yeah I dont think overall its a big issue but I felt the need to bring it up.
2014/09/22 12:07:50
EVGA_JacobF
Official reply:
 
The way the EVGA GTX 970 ACX heat sink was designed is based on the GTX 970 wattage plus an additional 40% cooling headroom on top of it. There are 3 heat pipes on the heatsink – 2 x 8mm major heat pipes to distribute the majority of the heat from the GPU to the heatsink, and a 3rd 6mm heatpipe is used as a supplement to the design to reduce another 2-3 degrees Celsius. Also we would like to mention that the cooler passed NVIDIA Greenlight specifications.
 
Due to the GPU small die size, we intended for the GPU to contact two major heat pipes with direct touch to make the best heat dissipation without any other material in between.
 
We all know the Maxwell GPU is an extremely power efficient GPU, our SC cooler was overbuilt for it and allowed us to provide cards with boost clocks at over 1300MHz. EVGA also has an “FTW” version for those users who want even higher clocks.
 

 
Regarding fan noise, we understand that some have expressed concerns over the fan noise on the EVGA GTX 970 cards, this is not a fan noise issue but it is more of an aggressive fan curve set by the default BIOS. The fan curve can be easily adjusted in EVGA PrecisionX or any other overclocking software. Regardless, we have heard the concerns and will provide a BIOS update to reduce the fan noise during idle.
 
Thanks,
EVGA

2014/09/22 12:10:57
Stephenk291
Thanks for the response jacob.
2014/09/22 12:18:32
aka_STEVE_b
1st world problems = killer 
2014/09/22 12:21:38
mack-attack
thanks jacob
 
2014/09/22 12:33:13
Wreck3r
The FTW version also has another fin arrangement which should result in a different HDT placement given that the heatpipes would come horizontally and not vertically. Couldn't find a picture though.
2014/09/22 12:36:35
astacy12
aka_STEVE_b
1st world problems = killer 


Haha


2014/09/22 12:43:56
subyman
Thanks for the reply.  I didn't find much of an issue. If it cools properly then its all good.

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