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970A-G/3.1 CPU Header

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nkata View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote nkata Quote  Post ReplyReply Direct Link To This Post Topic: 970A-G/3.1 CPU Header
    Posted: 01 Jul 2016 at 5:38pm
Please can someone tell me if this fan header is true PWM (temperature) or voltage controlled. The manual says 'quiet' fan header.

Many thanks, andy.
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Xaltar View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Xaltar Quote  Post ReplyReply Direct Link To This Post Posted: 01 Jul 2016 at 5:52pm
If it is the CPU1 header you are talking about then yes it is a true PWM controlled header.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote nkata Quote  Post ReplyReply Direct Link To This Post Posted: 01 Jul 2016 at 7:09pm
Thank you, 

I am just considering how best to control all the fans using PWM. I am thinking along the lines of a Phanteks PWM Hub controlled from the CPU1 4-pin header.


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Post Options Post Options   Thanks (0) Thanks(0)   Quote parsec Quote  Post ReplyReply Direct Link To This Post Posted: 01 Jul 2016 at 11:05pm
Originally posted by nkata nkata wrote:

Thank you, 

I am just considering how best to control all the fans using PWM. I am thinking along the lines of a Phanteks PWM Hub controlled from the CPU1 4-pin header.




I've heard the Phanteks PWM Hub that comes with their cases works fine. But according to what I've read, this hub actually uses voltage control to change the fan speeds. So while it is connected to and controlled by a four pin PWM fan header, its control is not PWM, but standard voltage control.

That's not a problem according to the users of this fan hub.
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