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Need advice for cpu fan

post #1 of 15
6/13/12 at 5:00am
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Hello

Help me choose a 120 fan for CPU.

I want to use this website: http://www.alientech.pt/index.php?cPath=180_27_86&sort=3a&&page=1

Maximum budget 10€
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post #2 of 15
6/13/12 at 5:17am
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On what heatsink will the fan be mounted? I only know a handful that support a 120mm fan, and I don't think any of them comes with a bad one. (or at least better then you can buy with 10€, all the nice PWM ones are above the budget.)
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post #3 of 15
6/13/12 at 5:43am
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Quote:
Originally Posted by Zenka View Post

On what heatsink will the fan be mounted? I only know a handful that support a 120mm fan, and I don't think any of them comes with a bad one. (or at least better then you can buy with 10€, all the nice PWM ones are above the budget.)

I'll mount the fan with 2 screws on fins.

And about 15€?
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post #4 of 15
6/13/12 at 6:09am
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Fan for fan concerning the CPU it is important it is PWM, or else i fear it will always run on the max RPM (unless I'm completely mistaken in this)

I would go for the Scythe Kama PWM Fan 120mm

But your current heatsink does not feature a fan? rather peculiar.
If you are looking for a new cooling solution, the trusty Cooler Master Hyper 212 Evo is a solid pick.
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post #5 of 15
6/13/12 at 6:30am
Could you post a picture of your heat sink please?
Or a link to a picture of it?
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post #6 of 15
6/13/12 at 6:44am
Thread Starter 
Quote:
Originally Posted by doyll View Post

Could you post a picture of your heat sink please?
Or a link to a picture of it?

PIC
Quote:
Originally Posted by Zenka View Post

Fan for fan concerning the CPU it is important it is PWM, or else i fear it will always run on the max RPM (unless I'm completely mistaken in this)
I would go for the Scythe Kama PWM Fan 120mm
But your current heatsink does not feature a fan? rather peculiar.
If you are looking for a new cooling solution, the trusty Cooler Master Hyper 212 Evo is a solid pick.

The heatsink have one fan but I want add a second one to push/pull.
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post #7 of 15
6/13/12 at 7:26am
Thank you for the picture.

We know know you have a Corsair A50 cooler and your system information confirms this.

How old is your cooler and does it have the original fan on it now?
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post #8 of 15
6/13/12 at 7:58am
I think Scythe Ultra Kaze DFS123812L-2000 8,75€ will be a good fan for you. It is 38mm thick and you are now using a 25mm thick fan. Make sure you have room for the extra thickness. I would replace the fan on your cooler now with new one because it pushed much more air then the one you have. 30% more air.
http://www.alientech.pt/shopping_cart.php?manufacturers_id=99&keywords=ultra&sort=2a
Fan Dimensions 120 x 120 x 38 mm
Air Flow 87.6CFM (2000rpm Version)
Noise Level 32.9dBA

If you want more air flow and do not mind more noise the Scythe Ultra Kaze 120 mm 3000RPM 13.60€ would be very good for you. It is also 38mm thick. It moves two times as much air as the fan on your cooler now. 100% more air.
http://www.alientech.pt/product_info.php?manufacturers_id=99&products_id=3083&osCsid=4333977151d28c9ff557733c5a089c47
Fan Dimensions 120 x 120 x 38 mm
Air Flow 133.6CFM (3000rpm Version)
Noise Level 45.9dBA

The fan you have now:
Fan Dimensions 120mm x 25mm
Fan Speed 1600 - 2000RPM
Air Flow 50 - 61CFM
Noise Level 26 - 32dBA
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post #9 of 15
6/13/12 at 8:33am
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As your current fan only has 3 pin connect (meaning, not PWM controlled) you can safely pick any fan you want.
The suggestions of doyll are excellent.

If you want voltage control from the mobo, you might find yourself soldering the two connectors into one. But I don't know if you can simply do that or if you get problems due to the power requirement of two 120mm fans.
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post #10 of 15
6/13/12 at 10:18am
I would hesitate to run two Scythe Ultra Kaze 3000 on one motherboard socket as they are rated .6amp each.
You could run two Scythe Ultra Kaze 2000 on one socket as they are rated .25amp each
The best solution is to use a Gelid PWM splitter
http://www.xoxide.com/gelid-pwm1to4.html
or Akasa PWM splitter
http://www.microcenter.com/single_product_results.phtml?product_id=0341752
Akasa also makes a 5 fan PWM splitter

Sorry as I don't speak Portuguese i could not find them on the site you linked to.

These PWM splitters allow you to plug one CPU fan in as master rpm control sending signal to motherboard and 2 more fans in for a total of 3 fans controlled by PWM signal from motherboard. The power to the fans is supplied by molex hdd connector from PSU. So no power is drawn from motherboard thumb.gif
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