This adapter cable is developed in accordance with the line of the controller. Controllers of different brands have different line sequences and are not . 5V 3-pin to 6 Pin cable: To transfer ARGB CPU , memory vests, light , light boards and other equipment with 5V 3-pin to the 6Pin of the fan Specially for controller to realize the unified control of the lights by the controller. Fan changes color synchronously. 5V 3-pin to 4 Pin cable: To transfer ARGB CPU , memory vests, light , light boards and other equipment with 5V 3-pin to the 4Pin of the fan .5V 3pin to small 6Pin overall length about 17CM/6.69in, 5V 3pin to controller 4Pin length about 11CM/4.33in