5V 3-pin to 4 Pin cable: To fer ARGB CPU fans, memory vests, light bars, light boards and other equipment with 5V 3-pin to the 4Pin interface of the fan. Specially for controller to realize the unified control of the lights by the controller. Fan changes color synchronously. This adapter cable is developed in accordance with sequence of the for controller. Controllers of different have different line sequences and are not universal. Item: Fan Controller Converter Cable 5V 3 Pin To Small 4Pin cable Fit for: for controllers Color: Black Material: plastic Package Contents: 1 x Controller Converter Cable 1 x pin Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.