1 to 3 PWM fan splitter for 4 pin and 3 pin fans, PC chassis is used for motherboard fan/cooling fan. This cable is compatible with all 4 pin and 3 pin fans. 4 pin PWM splitter cable from 1 to 3 way, to make 3 fans powered by 1 interface with speed regulation. Black braid jacket to prevent dust and breakage, with a 4-pin female connector at one end and splits into 3 male connectors on the other end (1 of them is 4 pin, 2 of them 3 pin). Each fan extension cable is 27cm long for optimal PC fan positioning. PWM fan cable extensions can be connected together to meet your needs. Features: Colour: BLACK Length: about 26.7cm/10.5"" Insulation material: PVC insulation Conductor material: tinned copper Wire outer diameter: OD1.4mm Rated temperature: 80℃