Feature: 1. The ultrastable 4pin fan extension cable provides greater flexibility for the positioning of the motherboard and CPU fan, thereby achieving the best heat dissipation effect. 2. With a 4 pin female connector at one end and splits to 2 male connectors at the other end, one is 4 pin and another one is 3 pin. 3. The fan splitter cable provide additional fan to increase airflow in your computer case. 4. The product makes fan to achieve a more quiet effect and better heat dissipation,reduce the accumulation of heat within the chassis. 5. The fan splitter connects 2 computer case fans to a single motherboard fan header, compatible with 4 Pin fan connector. Specification: Item Type: Fan Extension Cable Wire 1 to 2 Full Length: Approx. 14cm / 5.5in Wire Model: 1007 26AWG Insulation Material: PVC insulation Conductor Specification: 7/0.14TS Wire Diameter: OD 1.3mm Interface Type: Female 4pin to male 4pin+3pin Package List: 5 x Fan Extension Cable Wire 1 to 2