1. Not included RGB led controller, buyer need buys it separately if needing it.2. Only allow to connect RGB led to Barrow RGB controller or connect to the motherboard. No support RGB controller of other brand 3. Because even the same model of graphics card, there may be different versions of PCB, so please judge the applicability according to the graphics card model and PCB. If you have any questions, please consult before purchasing. We provided PCB image for reference.4. Included block only, not included fittings or other parts shown on images.