Features: Expand your motherboard cooling capacity with this 4pin PWM fan, converting one header into ten 4pin PWM output for simultaneous multiple fan control with CPU temperature responsive auto speed adjustment. Engineered with filtering capacitors and boosting circuit, this splitter ensuring stable power delivery and maintains full PWM signal integrity across all connection case fan. Ideal for PC enthusiasts, server builders, and users requiring cooling solution for multiple fan data center hardware. Perfect for rigs and server demanding management, enabling while reducing cable clutter. Universally suitable for 4 pin PWM and cooling fan (PWM control requires 4 pin), support mainstream motherboards for cooling upgraded. Specifications: Component:ABS Size:Approx.70x46x11mm/2.75x1.81x0.43inch Package Includes: 2Pcs PWM Fan Splitter note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.