You can connect it to the appropriate input point.
You can connect it to the appropriate input point.
Your motherboard is an Asrock B450M Pro, but you're unsure how to connect it and it's causing confusion.
Use this as an ARGB device. Connect it to your motherboard. Searching images shows the bottom left labeled ADDR_LED1.
That's your RGB setting, I keep it unplugged unless it matches the header on your motherboard.