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H50/Antec900/fan questions.

post #1 of 6
Thread Starter 
UGH.
Just when i think im about ready to order my new PC parts, NCIX has a sale that offers the H50 for 45$ (canada only i think). Ive always kinda liked the idea of having an H50, but i never liked the idea of having it suck air from the outside and blow into my case. Although, i do have the 200mm exaust fan on top of my case. but still, 2 front intake, 1 side intake, 1 rear intake and 1 huge exaust just dosnt sound right to me.

Is there a huge difference in temps if a choose to have it so the H50 blows air out the back? id much rather do that, but not if theres a 5-10 degree difference.

Also, if i do 2 fans on the H50, i wont be able to use the side case fan, but if i were to mod my case so that i had 1 fan OUTSIDE of the case, then the Rad and 2nd fan inside the case, would it make a big difference in temps? like the fan inside the case sucking in air, and the one outside blowing it out?

And 1 last question, could i still use the tricool LED fan that came with my case if i do use 2 fans? like have it as the intake fan inside my case hooked up to a molex and on med speed, and then have the one that comes with the H50 outside the case, blowing air out and connected to the Mobos CPU fan header?

sorry for the huge wall of txt and all the Qs, i planned on ordering my new PC in the next couple days, and this H50 sale kinda made me all unsure what to buy now Originaly i was gonna get the zalman 9900max from a friend for around 40$. Thanks for any help
    
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post #2 of 6
It shouldn't make a difference in temps between blowing inside the case or sucking air out, unless the air inside your case its much warmer for some reason.

As long as the screws holes allow for it I dont see why you couldn't mount one fan on the outside. Same for the fan that came with the case, although if the H50 controls fan speed this could cause a small problem as the fans that come with the case have independent speed controls.
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post #3 of 6
Thread Starter 
Quote:
Originally Posted by Xazen View Post
It shouldn't make a difference in temps between blowing inside the case or sucking air out, unless the air inside your case its much warmer for some reason.

As long as the screws holes allow for it I dont see why you couldn't mount one fan on the outside. Same for the fan that came with the case, although if the H50 controls fan speed this could cause a small problem as the fans that come with the case have independent speed controls.
Thanks for the fast reply
I was planning on only useing 1 case fan as the "Pull" fan inside the case, and then having the "push" fan outside the case be controlled by the mobo, since pulling moves more air then pushing. worst comes to worst, il buy a 2nd PWM fan, and use a splitter to have them both controlled by the same cpu fan header. those splitters do exist right?
    
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post #4 of 6
I would probably use a dual fan output, that said, the temps you achieve and location of your case may give you much better temps reversing the fan flow.

For example, in my 800D the rear fan is normally an exhaust, which means my case would have normally 1 intake and 4(7 if you count both push and pull fans on a single 120mm mount) outputs.

By reversing the flow of the rear fan to input air from my window, which is a fair amount cooler than my normal ambient, I have reduced my core temps by generally, 10oC, more if I have my window open.

What you really need to do it consider where your case it positions and make a decision based on whether you need the input output and where the airflow will be going and coming from outside the case.

You have a lot of input at the moment, so another output could work well, but it may be beneficial to have the H50 sucking on cool air from outside the case... That will come down as to how well ventilated your case is and your internal temps vs external temps.


As for reusing the fan you got with the case; I don't see why you cant use the LED fan, but for the H50, you might be better off using both the same fans.

I would also be tempted to say, given your options, you might be best using a single big fan on the H50, like a suyon denki.

I have a couple of those fans and the depth of them really helps push air through, for the price I don't think you'll find better, though you will need to find a shop that ships to you or find an alternative fan.

Hope that helps, bit of a wall of text back at you
    
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post #5 of 6
Thread Starter 
thanks for the tip

My cas is about 4 inch off the grounc, and maybe 8-9inchs from the wall, so i think exaust might work better, and the air in my case really shouldnt be hot at all, my rooms always pretty cold, AC in the summer, hardly ever heat on in the winter.
    
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post #6 of 6
Using two fans in push/pull will better. Using two different fans though can cause differences in air pressure which can be noisy. I'd definitely go for sucking air from outside the case. I have a similar radiator setup as part of my custom loop and sucking cool air from outside works great.
I have the antec 900 too so i know what you mean about having to mod the back to fit a fan there. There's a bulging vent isn't there that would probably need to be cut off. Luckily thats really easy

In summary if i was you I'd remove the bulging rear vent then put a fan on the outside, then the h50s rad on the inside with another identical fan and both fans sucking into the case.
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