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System fans controlled by CPU PWM Header

Gaz_Mataz
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Hi all,

I'm looking at controlling some PWM case fans with an old Gigabyte Z68 motherboard. Is there a way of 'daisy' chaining off the CPU PWM header? Is this safe? I did see a splitter cable that runs feed from the PSU and the speed control from the PWM header... https://www.moddiy.com/products/PWN-1%2dTo%2d4-Fan-Splitter-Cable-(Sleeved)-.html I can't seem to find this in the UK though?

I'm basically looking to make the system quiet until playing some games or editing rather than having case fans constantly humming away but want them to ramp up to take care of the OC on this older rig. If you have any suggestions then please fire away

Thanks in advance,
Gaz

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Could you give full model for the motherboard? Old mobos only have PWM on CPU header, rest are DC with 4pins (saying as Gigabyte owner).

 

You can use any SATA/molex powered PWM hub. https://www.amazon.co.uk/s?k=Pwm+hub&ref=nb_sb_noss pick one.

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1 hour ago, LogicalDrm said:

Could you give full model for the motherboard? Old mobos only have PWM on CPU header, rest are DC with 4pins (saying as Gigabyte owner).

 

You can use any SATA/molex powered PWM hub. https://www.amazon.co.uk/s?k=Pwm+hub&ref=nb_sb_noss pick one.

It's a Z68AP-D3 and I think you're right, only the CPU header is PWM, I don't think the 4pin system fan is? I do have a PWM fan on the cooler at the mmoment that I've set fan controls for in the bios so i'm really hoping it is PWM?

 

Cheers

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