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My airflow.. i just wanna know if it's ok - Page 2

post #11 of 23
Quote:
Originally Posted by Kick;12934387 
the pci slot fan may be fighting the gpu for air, but at most, it wouldnt influence temps THAT much...try it without the pci fan first to see how that goes.
If it's further back than the GPU fan as that picture scales it to be, I'd wager it's not mattering all too much except to remove the hot pocket of air trapped there? In any case, I'd think the fan fighting the GPU for air more is that front fan being exhaust. Switch that around. The small fan is a secondary issue compared to that.
post #12 of 23
Flip front fan. All fixed!
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post #13 of 23
Thread Starter 
out of curiosity, would it be better to get rid of the slot fan entirely or (cause its universal) should I put it above gpu sucking off the back of the chip & out?
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post #14 of 23
you case seems to have negative air pressure, if you dont have dust filters you will have a lot of dust. Flipping the front fan will help and might give you a little better temps.
post #15 of 23
PCI slot fan might not be necessary (or useful). You should feed the GPU fan, not starve it. tongue.gif Also for this reason, agree with flipping the front bottom fan.

Any chance of putting on a side panel fan, over the GPU?
post #16 of 23
I would recommend these steps:

1. As others have recommended, flip the bottom front fan.

2. 3x5.25 fan is a great use of otherwise wasted capacity. I only have two 5.25 slots available, so I use 2x80mm fans there.

3. when you pull your PCI slot fan, remove the slot covers near the gpu so you can get some airflow past the gpu.

4. Internal fans should point back, not up.

5. Remove rear grill and rear fan. This will allow your cpu heatsink to breathe properly. You will still have case exhaust: see item 2 in my sig. Your rig will be quieter with one less fan.

Have fun. You're definitely on your way with some excellent ideas. Don't be afraid to experiment. Do different configurations and compare temps.
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secundus
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secundus
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post #17 of 23
Thread Starter 
Quote:
Originally Posted by ehume;12940125 
I would recommend these steps:

1. As others have recommended, flip the bottom front fan.

2. 3x5.25 fan is a great use of otherwise wasted capacity. I only have two 5.25 slots available, so I use 2x80mm fans there.

3. when you pull your PCI slot fan, remove the slot covers near the gpu so you can get some airflow past the gpu.

4. Internal fans should point back, not up.

5. Remove rear grill and rear fan. This will allow your cpu heatsink to breathe properly. You will still have case exhaust: see item 2 in my sig. Your rig will be quieter with one less fan.

Have fun. You're definitely on your way with some excellent ideas. Don't be afraid to experiment. Do different configurations and compare temps.
So I took what you said and did some more. I will have pictures for you guys later... but what I did....
I flipped the front fan. I removed the slot fan and the pci slot covers, I removed the fan I mentioned that was facing up, then I zip tied down and hid as many wires as possible. My net result was gfx card under load now peaks at 79 and processor under load peaks at 49 instead of 53. I am very happy with my results lol. Now, what positive would removing my rear exhaust fan do ... because isn't it just removing air even more....?

Any suggestions on how to get colder without cutting holes in the top or bottom of case or buying fans to replace what I have? On hand I have two spare 80
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post #18 of 23
Thread Starter 
Mm fans. One is a 35mm thick fan.
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The Thunder Dome
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post #19 of 23
Quote:
Originally Posted by ehume;12940125 
I would recommend these steps:

1. As others have recommended, flip the bottom front fan.

2. 3x5.25 fan is a great use of otherwise wasted capacity. I only have two 5.25 slots available, so I use 2x80mm fans there.

3. when you pull your PCI slot fan, remove the slot covers near the gpu so you can get some airflow past the gpu.

4. Internal fans should point back, not up.

5. Remove rear grill and rear fan. This will allow your cpu heatsink to breathe properly. You will still have case exhaust: see item 2 in my sig. Your rig will be quieter with one less fan.

Have fun. You're definitely on your way with some excellent ideas. Don't be afraid to experiment. Do different configurations and compare temps.

This are very good suggestions, and I reccomend you do at least a few of them to improve your airflow.

It is definitely a good idea to use your unused 5.25 bays for better airflow. The placement directly in front of your heat sink will help your temps. You can also get bay devices that hold hard drives and have fans on them, so you will be killing 2 birds with 1 stone.

Removing the rear fan and grill is also a good idea that most people think of. When you have a fan there that doesnt push as much air as your heat sink fan you are actually hurting your performance because your heat sink doesnt have anywhere to push air too.

As everyone has already said, flip the front fan. In general you want your fans to always be facing the same direction (front to back, bottom to top) otherwise they will be fighting each other.
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post #20 of 23
Thread Starter 
if my rear exhaust fan is faster than my cpu fan should I still remove it?
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The Thunder Dome
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