The Bykski 1 to 10 RGB 12V Synchronization / Expansion Bus allows you to expand your 12V motherboard LED header. Converts single motherboard LED header into 9. Allows you to expand on the motherboard sync function. Integrate your compatible fans, water blocks and more. Voltage: 12V only. LED Type: 12V RGB. Parts Included: 1x Expansion Bus,1x 12V Sync Cable. When the 12V sync cable is properly connected, the hub can only connect to the lighting component of the corresponding 12V product (RGB). Not responsible for any damage caused by or when using this product. Please use it at your own risk.