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Old 07-08-2018, 10:15 PM
gohcj gohcj is offline
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Default ML120 PRO RGB Electrical Hum

Hi, I am curious about the sound I am hearing.

I brought the ML120 PRO RGB 3-pack fans. I can hear a whine/electrical noise whenever the fan spin. Getting louder as the RPM ramps up. All 3 of them have this sound. All of them are connected to PWM header on the z370 Gaming 7.

I have another 3x ML140 pro and have no such sound. will post the sound later.
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Old 07-09-2018, 06:44 PM
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Corsair Lettuce Corsair Lettuce is offline
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That's really odd especially for Ml fans, I would suggest creating a support ticket and have our technical support team further assist you.
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Old 07-09-2018, 07:41 PM
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DevBiker DevBiker is offline
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Do you have these fans configured as DC mode? Even on a PWM header, you can configure them this way. I would suggest that you check the BIOS to make sure that the headers are configured (specifically) as PWM.
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Old 07-09-2018, 10:06 PM
gohcj gohcj is offline
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Quote:
Originally Posted by Corsair Lettuce View Post
That's really odd especially for Ml fans, I would suggest creating a support ticket and have our technical support team further assist you.
Will do asap, sure.
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Old 07-09-2018, 10:07 PM
gohcj gohcj is offline
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Quote:
Originally Posted by DevBiker View Post
Do you have these fans configured as DC mode? Even on a PWM header, you can configure them this way. I would suggest that you check the BIOS to make sure that the headers are configured (specifically) as PWM.
I am connecting it through the commander pro and set it up as 4-pin in its control panel.
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Old 07-09-2018, 10:15 PM
gohcj gohcj is offline
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The sound is similar to the one in this video. When the ML RGB 120mm is tested at 1600RPM @ 5:43


It is very annoying when the room is quiet.. I prefer the sound of noisy wind compared to the the high-pitched motor noise piercing my ears...

Last edited by gohcj; 07-09-2018 at 10:18 PM.
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Old 09-14-2019, 08:53 AM
elric75 elric75 is offline
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I kinda have the same noise but at low RPM which is annoying
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