Question 5V or 12V - can I plug AIO RGB into fan hub?

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magnus-dh

Aug 24, 2023
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Hi. So I recently installed a new AIO cooler (DeepCool LE520) and it needs a 3-pin header for the RGB to work, but my motherboard does not have one (B560M Aorus Plus). I discovered that there is a 3-pin header on my RGB fan hub in the back of the case (Fourze T320), and was wondering if I would be able to plug the 5V RGB unit into the header. The thing is I don’t understand what the text on the hub means. What does the 5V *arrow down* 12V mean? See picture

https://imgur.com/pjTDjLt
 
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You'll fry your AIO if you do that.

magnus-dh said:
The thing is I don’t understand what the text on the hub means. What does the 5V *arrow down* 12V mean?
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It means that the fan hub will work with either 12V or 5V power input.

12V would mean that all fans connected to it would be able to run up to 100%. With 5V input, fans would run up to ~40% speed of their rated RPM, IF the fans require 12V. But if you only connect fans that require 5V, then those can run at 100%.
 
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alright thanks. I think I get it now. The unit that I want to connect is a 5V 3-pin thingy. The manual showed it was meant to be plugged into something on the motherboard for the RGB to work, so can I get some kind of adapter or is that not possible?
 
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magnus-dh said:
The unit that I want to connect is a 5V 3-pin thingy.
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It is called +5V ARGB.

Like Zerk above said, your MoBo should have the 3-pin ARGB header, most likely named as "addressable RGB" within your MoBo manual.

Did try to find the MoBo specs, but no matching results based on "B560M Aorus Plus". It's like this MoBo doesn't exist (or you got the name wrong). Care to link your MoBo official specs yourself?
 
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Aeacus said:
It is called +5V ARGB.

Like Zerk above said, your MoBo should have the 3-pin ARGB header, most likely named as "addressable RGB" within your MoBo manual.

Did try to find the MoBo specs, but no matching results based on "B560M Aorus Plus". It's like this MoBo doesn't exist (or you got the name wrong). Care to link your MoBo official specs yourself?
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yeah my bad lol. Don’t know how I missed two 3-pin headers when connecting everything - guess I’m blind. But I can’t find anything official on the mobo either. I recently just got it replaced and the B560M Aorus PRO Wifi I had in before is said to have the same functions and everything as the B560M Plus they put in (RMA case because of CPU and MoBo being faulty).

But regarding the headers, I can see a “ADD GEN 2_1” and “2_2”. Does it matter which one it’s connected to? I assume it’s just the 2_1 im using.

EDIT: I tried to plug it in the 2_1. The RGB turns on for a split second and then turns off. Can the ground voltage from the MoBo be more than 5V and cause this?
 
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magnus-dh said:
is said to have the same functions and everything as the B560M Plus they put in
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Is this your current MoBo?
Specs: https://www.asus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b560m-plus/

magnus-dh said:
The RGB turns on for a split second and then turns off. Can the ground voltage from the MoBo be more than 5V and cause this?
Click to expand...
You need dedicated software to control the ARGB on your AIO. Namely Asus Armoury Crate,
link: https://rog.asus.com/uk/armoury-crate/

On the regular +12V RGB header (4-pin), all LEDs of a primary color (R, G, B) are chained together and act simultaneously depending on the input signal. This makes individual LED addressing impossible.

Pinout:
pin #1 - +12V
pin #2 - G (green color)
pin #3 - R (red color)
pin #4 - B (blue color)

On the +5V RGB header (3-pin), there is LED driver control for each RGB LED package that translates the serial information coming in through the data pin into a specific output for that LED package it is attached to. That method makes single LED addressing possible.

Pinout:
pin #1 - +5V
pin #2 - data
pin #3 - empty (no pin)
pin #4 - ground

So, no. 3-pin (A)RGB header can not feed more than 5V to the AIO.
 
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In case you don’t want Armoury Crate installed (because of all the extra cruft and services it installs running all the time) then OpenRGB should work with your mobo. Works with my ASUS mobo to control RGB on my AIO.

For reference, Aorus is a Gigabyte brand. Either way, glad things are working for you now!
 
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postpro said:
In case you don’t want Armoury Crate installed (because of all the extra cruft and services it installs running all the time) then OpenRGB should work with your mobo. Works with my ASUS mobo to control RGB on my AIO.

For reference, Aorus is a Gigabyte brand. Either way, glad things are working for you now!
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Thanks. I tried OpenRGB and I find it way quicker and more efficient than armoury crate.
 
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