Hello,

My front case’s 3 fans are RGB and have 4 Pin RGB cord that
is supposed to connect to included RGB controller in case my
motherboard does not support RGB.

View attachment 210158

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4 Pin RGB to 5 Pin 12VGRBW or LED_CPU

Source: [H]ardOCP – 4 Pin RGB to 5 Pin 12VGRBW or LED_CPU