This splitter cable can make two computer fans share one interface.The cable supports 2 PWM fans from a single motherboard PWM header.It is compatible with 4pin PMW fan connectors and 3pin fan connectors.Item Name: 4Pin PWM Splitter CableMaterial: PVCWire Model: 1007 24AWGRated Temperature: 80 Degree CelsiusFeatures: Female to Female, 1 to 2, Easy to UseOuter Diameter: 1.4mm/0.06" (Approx.)Cable Length: 27cm/10.63" (Approx.)Notes:For fan speed adjustment, the two fans can only maintain the same speed.In order to prevent reading the different speed information of the two fans, there is a 4pin female interface and a 3pin female interface.Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x 4Pin PWM Splitter Cable