The DIY version is basically an RGB controller that has three pots for changing individual colors (R, G, and B). An OLED is also attached for displaying the value in 10-bit resolution.” ...

Razer's new fans, liquid coolers, and power supplies can sync up their Chroma RGB lights with your Razer peripherals.

And nobody likes a good set of RGB LEDs like a PC gamer, amirite? So thank the maker it's produced the HUE 2 tech so you can DIY your own gaming monitor to match.

NZXT's RGB & Fan Controller allows for exactly this, rocking three 10W fan ports and two addressable RGB channels.