motherboard 4-pin interface, PWM speed control, can be used for multiple cooling fans, expansion and expansion motherboard 4 pin interface, suitable for CPU or computer chassis fan. | fans can be used for 12V DC, or for fixed Molex voltage operation of 5V DC (only 2-pin connector required) cable compatible with standard 3-pin fan | power supplies for four 3-pin or 4-pin (PWM connector) PC chassis fans with 4-pin Molex connectors | fan splitter cable provides more fans and increases airflow inside the computer case | adapter cable length 16 cm / 6.5 inches. (2 pieces) This product has been upgraded and updated. The performance of the new product is more stable, the connector is upgraded, the old connector, the new connector, and universal! The length of the new products has been shortened. New line length: 12.5 cm/5 inches

Two 8 cm fans, or two 9 cm fans, or 12 cm fans, or 14 cm fans can be installed | Can be adjusted according to different graphics card weight and size to prevent sagging and eliminate the pressure on the motherboard. | Does not limit airflow but maintains a rigid structure for a variety of motherboards and chassis. | Made of high-quality metal materials, it is well-made, durable, black painted on the surface, beautiful in appearance, rust-proof and corrosion-resistant. | This product requires users to have high computer knowledge and installation operation ability. If the requirements are not met, it is recommended that you purchase and use it before purchasing or under the guidance of a professional. You can also contact us for help.