Using Six corsair SP120 RGB fans in the Corsair Crystal 570x, DO I need a Fan splitter.

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Shane_69

Shane_69

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Jun 23, 2017
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I'm looking into doing my first Computer build and noticed that my Motherboard choice only comes with three case Fan headers. To make sure I have proper air flow I'll be using a total of 6 Corsair SP120 RGB fans (three come with the case). The Mother board I've chosen is the Asus - CROSSHAIR VI HERO (WI-FI AC) ATX AM4 Motherboard. I am also Considering an All In One Liquid cooler from Corsair, which I will place two of the fans on the Radiator. With that in Mind Would it be needed to get any fan splitters and if I don't get the AIO, how many will I need? I have included my Current parts list from Pcpartpicker.com: https://pcpartpicker.com/list/wVFfLD
 
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Karadjgne
The RGB fans have 2x wires, not the standard 1x wire. One is a 4pin, the other a 3pin. The hub controls just the leds, has nothing to do with the fan operation. The 4pin connection is led 5v only, and absolutely has to go to either the RGB switch or to the RGB hub, not the mobo in any way. The 3 pin is just for the fan itself, and goes to any fan header/controller/hub/splitter you need. Using a 3 way splitter or a mini-hub for the 3x front fans, a 2 way splitter for the top fans and the 3rd header for just the rear exhaust fan. Or even 2x 3way splitters, intakes vrs exhaust, your choice.

So, you'll link all 6x 4pin wires to the fan hub, just for RGB control, and the 3pin go to the mobo via splitters or a different hub or directly to...
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Karadjgne

Karadjgne

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Keep the fans in common. That Crystal case has 3x fans up front, so use a hub to power all 3 from the same source, all fans spinning at the same rate. Use top 2x exhaust as a single pair via splitter. The rear exhaust by itself.
That's how I'd do it, but I'd also suggest you opt for the Corsair RGB fan hub and power all the leds through that or you'll end up with 6x different RGB switches, 1 for each individual fan, and that'll both be ugly (with 16M color combos possibile you'll never get 2x fans at the same color) and be ugly in that you'll now have 6x bulky switches to hide.
 
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Shane_69

Shane_69

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Jun 23, 2017
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I plan on using the Built in RGB controller that comes in the Case since it already comes with three of the Corsair SP120 RGB fans and the Controller that is built in.
 
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Shane_69

Shane_69

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Jun 23, 2017
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The only Downside to the built in controller is that it only controls the RGB's, RGB mode, and Fan speed, which is why i'm wondering if a Fan Splitter would be needed since the ROG MOBO does not have 6 fan headers on it from when I looked at the Specs on Asus.
 
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Karadjgne

Karadjgne

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Dec 26, 2012
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The RGB fans have 2x wires, not the standard 1x wire. One is a 4pin, the other a 3pin. The hub controls just the leds, has nothing to do with the fan operation. The 4pin connection is led 5v only, and absolutely has to go to either the RGB switch or to the RGB hub, not the mobo in any way. The 3 pin is just for the fan itself, and goes to any fan header/controller/hub/splitter you need. Using a 3 way splitter or a mini-hub for the 3x front fans, a 2 way splitter for the top fans and the 3rd header for just the rear exhaust fan. Or even 2x 3way splitters, intakes vrs exhaust, your choice.

So, you'll link all 6x 4pin wires to the fan hub, just for RGB control, and the 3pin go to the mobo via splitters or a different hub or directly to header.
 
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