rgb spliter cable

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technohyper755

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I HAVE 6 COOLER MASTER MASTERFAN PRO 120 MM RGB FAN AND I WANT TO CONNECT THIS FANS RGB LEDS INTO A MOTHERBOARDS 12V/3A RGB 4PIN HEADER VIA COOLER MASTER 3 IN 1 RGB SPLITERS. WILL IT MAKE ANY PROBLEM? LIKE BRIGHTNESS PROBLEM ETC.
 
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Aeacus
RGB splitter acts exactly like regular fan header where input signal is spread between fans/LEDs. Just because you have e.g 2x fans on a Y-splitter doesn't mean both fans only receive 6V. Both still receive full 12V where only the amperage rating increases for the header. With that, you need to make sure that you don't overload MoBo's header or you'll fry it.
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technohyper755

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haven't face any brightness issue?

 
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Aeacus

Aeacus

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RGB splitter acts exactly like regular fan header where input signal is spread between fans/LEDs. Just because you have e.g 2x fans on a Y-splitter doesn't mean both fans only receive 6V. Both still receive full 12V where only the amperage rating increases for the header. With that, you need to make sure that you don't overload MoBo's header or you'll fry it.
 
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technohyper755

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how to messure ampareage rating og rgb leds ? are 6 Cooler master masterfan pro 120 rgb fan overload for a 3A/12V rgb header? l

 
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Aeacus

Aeacus

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3A/12V rating for RGB header is common and you could connect 3x fans to it without issues. One CM MasterFan Pro 120 RGB fan has amperage rating of 0.45A,
Air Balance, specs: http://www.coolermaster.com/cooling/case-fan/masterfan-pro-120-ab-rgb/

Making 3x fans to total out at 1.35A. But since you have 6x fans, you'd be better going with RGB hub that takes additional needed power from PSU,
Cooler Master RGB hub, specs: http://www.coolermaster.com/cooling/cooling-rgb-accessories/rgb-led-controller/

6x fans would push the amperage rating to 2.7A and that's too close for comfort, especially since fans can have inrush current, making them draw a bit more than they are rated for.
 
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Aeacus

Aeacus

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You can plug the 3-way RGB splitter to Cooler Master RGB hub to expand the supported fans from 4x fans upwards:
Independent and Expandable ports
Each port can easily be expanded using a splitter cable to equip more RGB fans or LED strips . With Customize and Multilayer mode, each of them can display individual lighting effects and customization options.
Click to expand...
Or if you have 2x RGB headers on your MoBo, use 2x 3-way RGB splitters where you have one 3-way RGB splitter per MoBo RGB header. This way, you don't need to go with Cooler Master RGB hub.

Note: 3A/12V rating is per MoBo RGB header and not total rating of both RGB headers combined. E.g RGB_1 has 3A/12V rating and RGB_2 also has 3A/12V rating. Though, confirm that from your MoBo manual to be sure.
 
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technohyper755

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i will explain my full build ok. i use Coolermaster MB500 as a case which has built in 3 120mm masterfan pro air balance rgb fan . i also use a Coolermaster ML120l rgb 120 mm liquid cooler which has 1 120mm masterfan pro air balance rgb fan and a rgb pump. and i also buy a 120 masterfan pro air balance rgb fan.

now i want connect all of this to a rgb header . thats it :D

 
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Aeacus

Aeacus

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Well, you got 2 choices here, depending on which MoBo you have:
1. If you have 2x RGB headers on your MoBo, buy 2x Cooler Master 3-way RGB splitters and connect 3x fans to one header while remaining fans connect to the 2nd header.

2. But if you MoBo has only 1x RGB header then buy Cooler Master RGB hub (linked it above) and 1x Cooler Master 3-way RGB splitter, so that you can connect all the fans (up to 6) to the RGB hub. Since there's a RGB cable that goes from RGB hub to your MoBo, you can control your fan LEDs from MoBo RGB software.

The small RGB controller that came with your MB500 case isn't helpful since it can't be connected to the MoBo.
 
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technohyper755

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BRO THIS RGB CONTROLER DOESN'T SUPPORT ANY MOBO RGB ECO-SYSTEM

 
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Aeacus

Aeacus

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While the CM RGB hub does have USB cable that connects to a MoBo, it seems that it's just a RGB controller, similar to NZXT HUE+.

In this case, you're left using the 3-way RGB splitters if you prefer to use your MoBo RGB software. Just don't overload the RGB header by connecting too many fans to it. 3x fans are safe, 5x to 6x fans are a bit iffy and here, it's up to you to risk connecting 5x to 6x fans to single MoBo RGB header.
 
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technohyper755

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yeah i decided i will buy a Asrock Fatalty b360 gaming k4 which has 2 rgb header . by the way do you know anything about asrock rgb ? i mean is this good or bad ? is this user friendly and bug less?

 
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