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Antec 902 Airflow Help

post #1 of 6
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I have an Antec 902 V.2 (eSATA on front panel). The problem I am having is the negative case airflow. This is causing so much dust to come in my case, and I find I have to clean it biweekly. All my fans are stock and I can't fit a side 120mm intake fan without modification because of my CPU fan/HS. I have both front 120mm intakes at maximum speed, and all exhausts on low (the 120mm back and 200mm top). FYI, the 120mm fans are rated 80CFM max.

So, I just wanted to get some ideas on how to fix this so that I have positive airflow. Here was some solutions that I was thinking of:

1. Disconnect the top 200mm fan and cover the opening. (might heat up my system)
2. Mod a 120mm fan so that it can fit as a side intake. (time consuming)
3. Replace the front two 120mm fans with higher CFM ones. (will make my system extremely loud).

I want to add that my system is already loud due to the front 120mm fans being at high settings (i think the 120mm fans are Tricools or similar to Tricools). Heat is not a big issue right now, and I guess I would prefer a quiet system over a cool one. What are your suggestions?
Edited by charlie310 - 5/13/11 at 4:04pm
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Ol' Betsy
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post #2 of 6
Only things I could suggest would be replace rear fan with even slower speed/lower CFM unit, and try to tape up or cover any openings that get dust into them. That case has dust filters on the front fans I assume correct? If not you could get some or maybe better ones to cut down on dust from there. You could even try to reverse the rear fan and see what that does? Might have to switch CPU fan around to intake from rear instead of front. With your cooler shouldn't be a issue and might get better temps since the fan will be closer and all exhaust would go up and out top 200mm fan. You have mesh on side panel maybe cover it or replace it with some acrylic to help keep dust from entering there.

Beyond that modding the case for fan on bottom and/or side panel would be only options I think.
Edited by Rick Arter - 5/13/11 at 4:31pm
    
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post #3 of 6
Replacing the 2 front Tricools is your best bet. They are indeed very loud at high, and the CFM is pretty low for the noise.

Either 2x Gentle Typhoon AP-15 or 3x Gentle Typhoon AP-14 is one of the best things you could do. It will be about as loud as the Tricools on medium but have great CFM.

Solutions 1 & 2 aren't viable, especially disconnecting the 200mm. I wanted a side-panel fan too, so used a very thin 120mm Slip Stream Slim, but it didn't do anything for temperatures at all and was just ugly.
Edited by Stance - 5/14/11 at 2:25am
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post #4 of 6
clean your room. vacuum once a week. i had a 902 close to a carpet floor in a high traffic living room with pets too. never got dusty.

i live alone and hate to clean but i use to just vacuum the floor once a week and i never had dust issues with the 902. i hated the lack of a fan controller and having to open the case.

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post #5 of 6
i have the same case, i love my 902, but it does get dirty really often, i have a horrible apartment, even cleaning everyday i still get too much dust. but i don't mind opening it to clean it, fortunately i am upgrading to the DF-85 in a few weeks, making cleaning the filters a breeze, cant wait to get a new case, going to use the 902 as a home server build for media and mine craft =D
post #6 of 6
Thread Starter 
Quote:
Originally Posted by Stance View Post
Replacing the 2 front Tricools is your best bet. They are indeed very loud at high, and the CFM is pretty low for the noise.

Either 2x Gentle Typhoon AP-15 or 3x Gentle Typhoon AP-14 is one of the best things you could do. It will be about as loud as the Tricools on medium but have great CFM.

Solutions 1 & 2 aren't viable, especially disconnecting the 200mm. I wanted a side-panel fan too, so used a very thin 120mm Slip Stream Slim, but it didn't do anything for temperatures at all and was just ugly.
I just realized that replacing the front fans will disable the front cage fan controls, so I am going to try and reverse the rear fan to make it a intake. Will probably have to attach a fan filter for it though. +I'm going to buy and mod a 120mm side fan. That will definitely create a positive airflow, and will probably be the cheapest option.

Quote:
Originally Posted by dustin88 View Post
i have the same case, i love my 902, but it does get dirty really often, i have a horrible apartment, even cleaning everyday i still get too much dust. but i don't mind opening it to clean it, fortunately i am upgrading to the DF-85 in a few weeks, making cleaning the filters a breeze, cant wait to get a new case, going to use the 902 as a home server build for media and mine craft =D
What I do to make cleaning the filters easy is I leave the hard drive cages unscrewed/loose. When it's time to clean, I pull the fan knobs, and wha la. I can pull the filters out without opening the case.
Edited by charlie310 - 5/14/11 at 2:45pm
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Ol' Betsy
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