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Reload this Page [TPU]Be Quiet! Intros SilentWings PWM Series Fans

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Old 3 Weeks Ago   #1 (permalink)
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Default [TPU]Be Quiet! Intros SilentWings PWM Series Fans
Quote:
The 80 mm model comes with a rotational speed range of 500 ~ 2,000 rpm, 16.5 dBA of noise output, and up to 44.3 m³/h of airflow. The 92 mm model on the other hand, has a rotational speed ranged between 470 ~ 1,800 rpm, 17.5 dBA noise output, and 55.4 m³/h airflow. And lastly, the 120 mm one spins between 500 ~ 1,500 rpm, with a noise output of 18.5 dBA, and 85.5 m³/h of airflow. The three are priced between 11 to 14 EUR.
source

The rated speeds/sounds seem too good to be true...just like that of the CM R4s. They still look good though.

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Last edited by K10 : 3 Weeks Ago at 01:48 PM
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Old 3 Weeks Ago   #2 (permalink)
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It's easy to blow air with no static pressure.
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Old 3 Weeks Ago   #3 (permalink)
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Originally Posted by MrDeodorant View Post
It's easy to blow air with no static pressure.
meh, regardless of that they should still make good case fans..(assuming the rated specs are at least somewhat accurate)

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Old 3 Weeks Ago   #4 (permalink)
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Originally Posted by K10 View Post
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The rated speeds/sounds seem too good to be true...just like that of the CM R4s. They still look good though.
Actually this is only 50 CFM; m3/h is a totally different measurement. However, if there specs are reliable it really isn't too bad but you never know with fan specs in regards to dBA and CFM.

Forgot to mention if we are talking about a PWM fan then we are talking about cooling heatsinks...I hope it has a tremendous amount of static pressure considering its 25mm and the CFM is moderately low.....doubtful.

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Last edited by Shadowclock : 3 Weeks Ago at 02:19 PM
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Old 3 Weeks Ago   #5 (permalink)
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Originally Posted by Shadowclock View Post
Actually this is only 50 CFM; m3/h is a totally different measurement. However, if there specs are reliable it really isn't too bad but you never know with fan specs in regards to dBA and CFM.

Forgot to mention if we are talking about a PWM fan then we are talking about cooling heatsinks...I hope it has a tremendous amount of static pressure considering its 25mm and the CFM is moderately low.....doubtful.
It has a static pressure of 1.63 or something. Nobody ever uses numbers here when they talk about static pressure so I dunno how good that is. It's probably low as these are fans built for the purpose of low noise.

EDIT: here's the site and the specs. Dunno if air pressure is the same as static pressure. I know static pressure has to do with mm and H2O though...

http://www.be-quiet.net/be-quiet.net...websiteLang=en

Also, 4 pin PWM headers in places other than the CPU FAN part of the mobo aren't so uncommon nowadays.

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Old 3 Weeks Ago   #6 (permalink)
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Originally Posted by Shadowclock View Post
Actually this is only 50 CFM; m3/h is a totally different measurement. However, if there specs are reliable it really isn't too bad but you never know with fan specs in regards to dBA and CFM.

Forgot to mention if we are talking about a PWM fan then we are talking about cooling heatsinks...I hope it has a tremendous amount of static pressure considering its 25mm and the CFM is moderately low.....doubtful.
Why is PWM for cooling heatsinks?

Quote:
Originally Posted by K10 View Post
It has a static pressure of 1.63 or something. Nobody ever uses numbers here when they talk about static pressure so I dunno how good that is. It's probably low as these are fans built for the purpose of low noise.

EDIT: here's the site and the specs. Dunno if air pressure is the same as static pressure. I know static pressure has to do with mm and H2O though...

http://www.be-quiet.net/be-quiet.net...websiteLang=en

Also, 4 pin PWM headers in places other than the CPU FAN part of the mobo aren't so uncommon nowadays.
4 pin PWM connectors are just 4 pin fan connectors, they still fit on 3 pin fan headers.
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Old 3 Weeks Ago   #7 (permalink)
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Originally Posted by oliverw92 View Post
4 pin PWM connectors are just 4 pin fan connectors, they still fit on 3 pin fan headers.
Yeah but it makes having the PWM useless. I guess PWM is no big deal anyway though.

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Old 3 Weeks Ago   #8 (permalink)
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Originally Posted by oliverw92 View Post
Why is PWM for cooling heatsinks?
PWM is more energy efficent, allows for more precise fan control, and allows fans to run at lower possible speeds.
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Old 3 Weeks Ago   #9 (permalink)
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Originally Posted by DuckieHo View Post
PWM is more energy efficent, allows for more precise fan control, and allows fans to run at lower possible speeds.
This, but I don't see the point of using PWM other then for your heatsinks. Why would your case fans need to be PWM? Know what I mean?

Quote:
Originally Posted by K10 View Post
It has a static pressure of 1.63 or something. Nobody ever uses numbers here when they talk about static pressure so I dunno how good that is. It's probably low as these are fans built for the purpose of low noise.
Well, for example the CM R4's have 3mm/H20 as opposed to these 1.63. R4's aren't considered that good of static pressure fans either.

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Old 3 Weeks Ago   #10 (permalink)
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Quote:
Originally Posted by Shadowclock View Post
This, but I don't see the point of using PWM other then for your heatsinks. Why would your case fans need to be PWM? Know what I mean?
Quote:
Originally Posted by DuckieHo View Post
PWM is more energy efficent, allows for more precise fan control
Question answered.
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