High quality. Specially designed for controller to enable unified control of lights via the controller. Fan changes color synchronously. 5V 3-pin to 4-pin cable: Connects ARGB CPU fans, memory strips, light bars, light boards, and other devices with 5V 3-pin connectors to a 4-pin fan header. This adapter cable is designed to work with compatible controllers. Controller pin configurations may vary and are not universally compatible. Item: Fan Controller Converter Cable 5V 3-Pin to 4-Pin Fit: For compatible controllers Color: Black Material: Plastic Package Contents: 1 x Controller Converter Cable 1 x Pin Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement allowance is +/- 1-3 cm.