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Worth upgrading to a bigger case?

post #1 of 18
Thread Starter 
Right now im running an original Antec 900 case with two gtx 460's in it.

Airflow is great and cable manangement is pretty good for what the case fits.

Only problem is my second GPU the bottom one sits about a inch away from my psu. When doing any high end graphics the bottom card sits about 10c hotter then my top card.

For example in a benchmark my top card will hover around 55-65 depending on ambients.

The bottom will sit around 65-75.

Thier both overclocked and I know that that the temp can range up to 100+ on the cards...just wondering if its worth spending the money on a full tower case.
post #2 of 18
Well I will take it you have a fan in the front of your case. Are there any slots on the side of your case for fans? My crossfireX'd 5770's are pretty much equal as far as temp goes and I have one 120mm slot on my case. If you have EVGA precision or MSI afterburner you can crank up one of the fans as needed on the cards. InerTia*
post #3 of 18
Quote:
Originally Posted by Djnardu View Post
Right now im running an original Antec 900 case with two gtx 460's in it.

Airflow is great and cable manangement is pretty good for what the case fits.

Only problem is my second GPU the bottom one sits about a inch away from my psu. When doing any high end graphics the bottom card sits about 10c hotter then my top card.

For example in a benchmark my top card will hover around 55-65 depending on ambients.

The bottom will sit around 65-75.

Thier both overclocked and I know that that the temp can range up to 100+ on the cards...just wondering if its worth spending the money on a full tower case.
Wow, that's quite a difference. Usually the top card is up to 5 degrees higher than the bottom.. is your psu fan facing up or down?
post #4 of 18
Thread Starter 
My PSU if facing up im assuming it would be taking air away from the card but i could also see it making a dead zone.

I do have a side fan that blows in, of course it blows over my top card though because it doesnt reach the bottom.
Edited by Djnardu - 4/1/11 at 4:50pm
post #5 of 18
Thread Starter 
Here is a pic of the case "this was pre wire management so dont freak out lol all wires are pretty much run behind the case now.

http://i54.tinypic.com/14niv4i.jpg
post #6 of 18
Face your PSU DOWN!
If you need to, cut a 140mm hole for it on the bottom of the case.
It is absolutely either creating a dead zone or more probably pulling tons of air away from the bottom card.
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Blue Fury
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post #7 of 18
I had an A900, solid case back in the day.

The near-PSU layout is nearly the same as my A1200; my second card sits about an inch above my PSU; unless your PSU fan runs insanely fast, there should be plenty of airflow to your bottom GPU. My bottom one runs as it normally would, even with the PSU sucking a bit of air down. And that's with my bottom case fan being covered up by two HDDs.

You need to fix the cable management. I bet you that's what's starving the space between the card and the PSU.

EDIT: I just saw the part about the cables being run in the back. Can you take a pic of it in its current state?
Edited by EfemaN - 4/1/11 at 5:06pm
post #8 of 18
Regardless of whether it could be improved, 75C is nothing to worry about. Therefore get another case if you *want* to, but you don't *need* one because of those temps.

Personally I would wait until you definitely need a new case (e.g. for watercooling or for a bigger motherboard or longer graphics cards etc) otherwise you may have to upgrade again in a little while.
     
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post #9 of 18
Thread Starter 
Quote:
Originally Posted by EfemaN View Post
I had an A900, solid case back in the day.

The near-PSU layout is nearly the same as my A1200; my second card sits about an inch above my PSU; unless your PSU fan runs insanely fast, there should be plenty of airflow to your bottom GPU. My bottom one runs as it normally would, even with the PSU sucking a bit of air down. And that's with my bottom case fan being covered up by two HDDs.

You need to fix the cable management. I bet you that's what's starving the space between the card and the PSU.

EDIT: I just saw the part about the cables being run in the back. Can you take a pic of it in its current state?

Sure when I get home from work ill snap a pic for you
post #10 of 18
Thread Starter 
http://i54.tinypic.com/200d7nl.jpg

Here it is, you can see I did as much as I can with the crappy cable management the 900 offers.

The cables "pretty much" are completely out of the way of the airflow from the two front fans.
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