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Antec 300 + GTX 480 SLI - Question about side fan.

post #1 of 10
Thread Starter 
I have been running my computer without a side fan with 1 GTX 480, but now that I have a second one to be installed tomorrow, I'm wondering if adding the side fan will help. I'm thinking of adding the fan as an intake for the side fan, but I'm not sure if the power supply and dual cards will benefit from the air blowing in more than from the natural vacuum effect that will be created when they are all exhausting. Has anybody here tried these configurations with SLI?
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post #2 of 10
I did try to use the side fan but it failed. I did this on my 580's a while ago but since you have 2 480's it will make it worse because your cards are the kind that has a tendency of getting very hot. It will depend on how hot your room due to simple physics such as hot air goes up and cold air stays down. While gaming your cards will blow out the hot air and while its up their it will come around and go to your side fan which makes your cards hotter. But this will take time unless if your the type of guy that likes to play games every hour then sure do this but if your not then don't do it. thumb.gif
post #3 of 10
Thread Starter 
I just finished installing everything (no side fan) and did a test run with Mass Effect 2 max settings (I know it's not going to stress the system). I am locked in at 60fps and temps were 55 on the top card and 45 on the bottom card. This is a rough estimate; most of the time the temps were closer. I have my fans turned to high for the front and the video card fans are also set to a quick ramp up. No matter how high the fans were in front, the side fan grate is always pulling air in. This tells me that a fan could be a benefit, but I'm not sure that the added turbulence would be helpful since the stuff would be so close together.

I need some sort of filter on the side so that the video card fans don't clog the heatsinks......anyone have ideas?
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post #4 of 10
On my older Antec 300, with my 4890s in crossfire, it helped my temps. Would keep them I'd say 5-10* cooler. But each user's mileage my vary.
For a filter, a cheap easy quick solution is a dryer sheet. Yep, grab a snuggle sheet from the laundry, tape it over the opening. Thats what I did, used electrical tape and poped it on there. After awhile when it gets dirty, just yank it off and tape a fresh one on there. Not very pretty, but works. Heh.
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post #5 of 10
My buddy has the same set up except with 1 gtx 480 and the side fan is blowing cold air on the heatsink and it dropped like 5C or so.
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post #6 of 10
Thread Starter 
Quote:
Originally Posted by Rebelord View Post

On my older Antec 300, with my 4890s in crossfire, it helped my temps. Would keep them I'd say 5-10* cooler. But each user's mileage my vary.
For a filter, a cheap easy quick solution is a dryer sheet. Yep, grab a snuggle sheet from the laundry, tape it over the opening. Thats what I did, used electrical tape and poped it on there. After awhile when it gets dirty, just yank it off and tape a fresh one on there. Not very pretty, but works. Heh.

Which fan did you use? I'm not about pretty......my case sits under the desk and filtering is going to be much more important- I also wouldn't mind the smell.

Quote:
Originally Posted by Quesoblanco View Post

My buddy has the same set up except with 1 gtx 480 and the side fan is blowing cold air on the heatsink and it dropped like 5C or so.

So it seems to work......now I have to open up the case again. It was a pain to fit all of this into my Antec- that case is so much smaller than it felt like it was when I first bought it.
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post #7 of 10
Thread Starter 
Unigine maxxed at my 1360x720 resolution = 66 degrees max temps on both cards- but I know I will be upgrading to a 1920x1200 monitor soon and I'm not sure how that will affect temps.
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post #8 of 10
Which fan? I think it was a spare Antec fan I had laying around. I had replaced the case fans with Scythe Fans. Then later Yate Loons.
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post #9 of 10
the coolermaster r4s are what my buddy has all over his antec 300. It's a really silent system. He keeps his gtx 480 at 50 % fan.
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post #10 of 10
Thread Starter 
I'm going with the Panaflo/Rexus high speed fan. I have a mesh filter that I hope I can use under or on top of the fan grate.
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SandySilver
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