HIGH QUALITY: The fan PWM splitter Y-cable for PC motherboard cooling fans are constructed using high-quality material, measures 10.5 inches in length and cable is strongly braided, sleeved and wrapped to provide long-lasting performance as well as to avoid dust and breakage. 2-WAY MOTHERBOARD: The PWM fan cable is designed with a 4-pin female connector on end and on the other end it splits into two 3-pin & one 4-pin connector; the ergonomic design of the extension cord offers you a greater flexibility to position your PWM or fans inside your internal case. MANY FUNCTIONS: The PWM case fan splitter provides better power supply for motherboard fans, supports PWM function, increases airflow, reduces the accumulation of heat within the frame and satisfies all your control needs to increase the lifespan of the motherboard. For 3-PIN & 4-PIN FAN: The 2-way PC PWM fan splitter power cable is mostly compatible with many of 3-pin and 4-pin PC case motherboard cooling fans; this PWM fan splitter hub connects 3 computer case fans to a single motherboard fan header. CPU FAN EXTENSION: The pc fan extension cable 3-pin & 4-pin compatible is designed for enthusiasts with need for controlling numerous system fans. Colour: black Material: copper + nylon Size: about 27cm Package Contents: 6 * Fan extension cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.