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serious heating issues with my 560ti - Page 2

post #11 of 19
Quote:
Originally Posted by Princess Garnet View Post
What do you mean by "against the card fan"?
Let me try to explain what I see here:-

Pic 1 below shows the heatsink fan design of your EVGA GTX560Ti.
Notice 2 things:-
(i) 2 heatpipes run to the front while 1 heatpipe runs to the rear
(ii) the fins direction
These 2 imply that about 2/3 of the heat is being dumped inside the case, primarily through the front of the card. Note the red arrows.

Pic 2 below shows how this amount of heat moves once it is expelled out.
3 possible routes:-
(i) going up and possibly sucked by the CPU intake fan, through the CPU heatsink and then escape through the rear of the case. Obviously, this affect the CPU's cooling negatively. (Edit 1)
(ii) being pushed back into the opening by a strong front airflow (orange arrows in pic) generated by the 2 intake case fans. This produces higher GPU temp.
(iii) going down and then being sucked back into the card by the card's intake fan. This also produces higher GPU temp.

I suspect it is a combination of these 3 factors that cause a relatively high temp of your card. When the card is idle, hot air exhausted is small and does not matter much. When the card is under load, both the volume and temp of the hot exhausted air increase substantially.

OP, please excuse me for OT.


Edited by windfire - 5/11/11 at 5:38am
post #12 of 19
I never though of it that way, and +rep. Should I try reversing the bottom right side fan or something?

Maybe the OP should add their case/cooling setup too.
post #13 of 19
Quote:
Originally Posted by Princess Garnet View Post
I never though of it that way, and +rep. Should I try reversing the bottom right side fan or something?

Maybe the OP should add their case/cooling setup too.
No. I do not suggest using the 2 bottom fans of your side panel as exhaust. They should remain as intake.

If you wish to improve, I suggest a more drastic modification, mainly involving re-orienting your CPU cooler Xigmatek S-1283 upward.

I propose a 'top-exhaust' approach to take care of the heat exhausted by such a card. Read my post #16 in the thread below for the concept. Although I demonstrated the concept with a HAF932 and a HD5970, your Stack 830SE and GTX560Ti can use the idea easily.
Thread:http://www.overclock.net/air-cooling...chassis-2.html
post #14 of 19
My PSU has a rear mounted 80mm exhaust fan, not a bottom mounted 120mm intake fan, if that changes anything. I'd just be adding the CPU's and GPU's and Northbridge's heat to it, wouldn't I?

The top of the case has an exhaust fan (hard to make out but in that picture).
Edited by Princess Garnet - 5/11/11 at 5:54am
post #15 of 19
Thread Starter 
well its the regular version, and it has two fans. so hot yea hot air blows inside the case. the 600t doesnt have a side panel fan, and my old antec 900 did. i guess its time to bring out ze dremel =D


thanks guys <3 now i have some peace of mind
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post #16 of 19
Thread Starter 
Quote:
Originally Posted by windfire View Post
Which version of Asus GTX560Ti DirectCU that you have? The 'TOP' edition with a higher clock (900MHz) or the 'regular' edition with 830MHz?

I suppose you have not overclocked the card yourself, have you?

I did a quick net survey and note that Asus GTX560 Ti can have load temp from 62C to 75C, depending on card's clocking + ambient temp + case + software used.

As the DirectCU cooling dumps heat inside the case, if this is not managed well, it could have a negative impact. Further noting that your CPU cooler is a stock one (ie downward blowing type), one thing that you should look into is the airflow of your Corsair 600T. Make sure both the CPU and GPU have clear and distinct paths of intake and exhaust air.
frgt to add in i have the zalman installed lol cnps9700
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post #17 of 19
I took mine to 1000Mhz and it got up to 64 C max.
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post #18 of 19
Buy the Lanboy air. Problem solved.
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post #19 of 19
Quote:
Originally Posted by Princess Garnet View Post
What do you mean by "against the card fan"?
Wildfire basically said everything I was going to, but more detailed.
He understood what I was thinking when I asked that question.


Quote:
Originally Posted by Princess Garnet View Post
That you claim to have lesser airflow yet with good temperatures just further tells me this.
If you saw pictures of my setup you'd be even more confused as to why I get much cooler temps because it's nowhere near as efficient as most other setups. The only thing I do that I notice most people don't do is I remove all shims below the card so it can breath easier. I've actually always done this with every PC I've built or owned. I only have 1 120mm case fan, and no others in my tower. There's actually a hotspot in my tower, but, it's not immediately near any hardware so it's seems to have no negative impact. Though, a fan at that exact spot at the top of the tower would completely eliminate that hotspot. My PSU has an enormous fan that is actually an intake fan on the bottom of the PSU, then it exhausts out the back of my tower through another vent so that helps quite a bit, but, the PSU itself isn't on the bottom of my tower, it's on the top, so that doesn't help the card out and likely doesn't directly contribute to the card staying so cool.


Quote:
Originally Posted by Princess Garnet View Post
Some of them just seem to run hot.
This is exactly why I'm glad I got the Hawk Twin Frozr III vs any other 560. Granted, there are other variables, but, logically it had the best chance of staying cool in my tower, as well as being the most powerful/cool air-cooled 560.
Edited by Ascii Aficionado - 5/11/11 at 12:21pm
 
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