PCI-bay exhaut fan- use in GFX cooling?

[Martin Francis]

I have a PCI-bay exhaust fan currently acting as the only fan outside the
PSU fan blowing air out of the case. It doesn't do much else, really, as my
case doesn't exactly overheat as it is. However, in the coming months i'm
considering a 9800 Pro or similar card, which I understand get pretty hot
during heavy load operation. Would positioning this fan under the AGP slot
do anything helpful, or do I have to arse about with DIY cooling
paraphenalia?

 

[+CrimsonLiar]

You need to look at where your PCI slot exhaust fan is getting its air from.
Some of these cards position their own fans/internal ducts roughly over the
top of the fan on the graphics card. As the exhaust casd is sucking air out
from the same region as the graphics card fan is sucking in air to blow over
its own heat sink, the result is often less air blowing over the graphics
card heat sinks, and hence raised temperatures.

If the ducts are near or over exhaust area of the Graphics card's heatsink
then the PCI-bay exhaust fan may in fact do some good, but even this is
dependant on how the airflow within your case is working. If you have
several PC cards in your case, in such a way that airflow is restricted, you
may find that mounting a casefan at 90 degrees to the card, between the car
and the side of the case, blowing toward the graphics card, and scrapping
the PCI-bay exhaust fan, may give better results.

CrimsonLiar

 

[Sunbow]

I had a pci fan in my system under a non-fan assisted graphics card and it
made no difference at all to the card or system temps. You`re better off
fitting case fans top and bottom to cool your case if it heats up or have a
window in your side panel to blow air onto the cards.

 

[OverKlocker]

I have a PCI-bay exhaust fan currently acting as the only fan outside the
PSU fan blowing air out of the case. It doesn't do much else, really, as my
case doesn't exactly overheat as it is. However, in the coming months i'm
considering a 9800 Pro or similar card, which I understand get pretty hot
during heavy load operation. Would positioning this fan under the AGP slot
do anything helpful, or do I have to arse about with DIY cooling
paraphenalia?

case mod time...LOL. my temps improved alot when i installed a 92mm
'card cooler' fan on the side of my case. it blows mostly on the cards
and a little of it towards the top of the card and my northbridge