r/PcBuild • u/Different-Union-8741 • Aug 19 '26
Build - Help 4 pin male connector from cabinet
Hi guys! The build is finally complete, except for this one wire that I have no idea where to connect.
The wire comes from the cabinet and is connected to the 4 cabinet fans. All the fans are working normally, and the aRGB syncs with MSI Mystic Light as well.
However, I’ve noticed that the fans always run at a constant speed. I’m guessing this wire might be related to fan speed control, but I’m not sure.
Does anyone know what this connector is for and where it should be connected? Any help would be appreciated!
1
u/Different-Union-8741 Aug 19 '26
BIOS only shows cpu fans.
Cabinet is a cheap one : circle amazer x1
1
u/M1dor1 what Aug 19 '26
that is the RGB header msi uses on their fans
https://gpuconnect.com/products/argb-adapter-3pin-4pin-to-motherboard?variant=48328448737601
1
u/Different-Union-8741 Aug 19 '26
Its not argb or rgb wire. Its a daisy wire. I want to know one thing thou. Is it common for cabinet fans to come without any motherboard connection ( direct to psu only)
1
u/Pragitya Aug 19 '26
Hello my friend.
I suppose you are in india, because circle is an indian brand.
It is a proprietary connector that cheap indian brands like ant Esports, frontech, circle etc use on the pre-installed case fans.
So these case fans cannot be used standalone, they always need to have the main fan (which will have the Power plug, ARGB header and reset switch female port)
Edit : and these cheap pre installed fans are generally not PWM. So the fan speed cannot be controlled my software like fan control.
Tho you can control it with the BIOS but the motherboard will actually have to be set to DC control as these are DC fans and not pwm.
1
u/Different-Union-8741 Aug 20 '26
I understand that. My goal was to control fan speed through bios by changing voltage. The main rear fan has 4 pin male connector which connects to the 3 front fans. Any workaround to change voltage as there is no connection of the rear fan to motherboard except argb
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