this 4 pin fan splitter cable with 26cm allow you make more choices to position your fans inside your computer case, which also make your computer case very clean and tidy this fan splitter 4 pin cable could connects 4 computer case fans to a single motherboard fan header, which increases airflow in your computer case to reduce the accumulation of heat within the chassis this PC fan splitter cable is compatible with 4pin PWM fan connector and 3pin fan connector, each pack of this fan splitter cable is with one of 4 Pin PWM Fan Connector + three of 3 Pin PWM Fan Connector This cost-effective 3 Pack of 4 pin PWN fan splitter cables provide the more spare cable for adding fans to increase cooling in your computer case to ensure the operational speed of CPU Supports 4pcs of PWM fans in a single motherboard PWM header;Compatible with oee of 4-pin PMW fan connector and three of 3-pin fan connector