i recently bought this hub controller i plugged the sata to give it power and i plugged my artic 360 III water cooler 3 pin conector so i can have argb but i dont have light did i do something wrong( my motherboard does not support argb so i bought this so i can have lights)
Sorry to break it to you but this is an argb HUB and not controller ....Its just a splitter that needs some input signal like from your mobo that replicates the same signal to more ports.
The thing you are looking for is something like this - https://techenclave.com/threads/iris-argb-controller-product-launch.222613/