ITEM NAME:1 to 5 Desktop PC Fan Hub Splitter Adapter for 4pin PWM Cooler Cooling Fan Product Description Description: 1 to 5 Desktop PC Computer CPU Fan Hub Splitter Adapter for 4pin PWM Cooler Cooling Fan Specification: Material: Tinned copper Color: Black Size: 70x30x10mm/2.76x1.18x0.39in Net weight: 30g Gross weight: 30g Function: 1. Expand the 5-bit fan 4-pin interface to solve the problem of insufficient main board interface and centralized processing of fan wires. 2. The PWM interface is connected to the CPU fan interface of the main board, and the red is the special interface of the CPU fan. The black interface is the PWM conventional fan interface. 3. CPU fan power supply input of main board. 4. The 3P fan can be inserted without speed control function, which is limited by the function of the fan itself and can only run at full speed. Note: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3cm measuring deviation due to manual measurement. Included: 1 X Fan Hub.The PWM interface is connected to the CPU fan interface of the main board, and the red is the special interface of the CPU fan. The black interface is the PWM conventional fan interface. Included: 1 X Fan Hub.