Description: PWM fan splitter extension cable can extend 1 CPU to 5 s to solve the short of supply ports. Note: This is a speed governor. The speed control function is realized through the main board, not directly through the If you need to realize the speed regulation function, you need to plug the into the 4 pin socket with PWM speed regulation on the computer motherboard Including 1x 4 pin Female, 1x 4pin Male for CPU fan (including detect tachometer pin), and 4x 4 pin Male fan. Note: Only the fan the CPU position can measure the speed of , and other positions can only adjust the speed but not the speed. Easy to install, with adhesive on the back, convenient to fix the Black nylon braided cable, durable and practical. Note: the power supply of a four-pin socket of the computer motherboard is about 12W. Fit for 4-pin and 3-, fit for 4/5 PWM fans. And adjusted only when the 4 pin connected to the speed of the 3 cannot be adjusted by connecting to the Specification: Cable Length: 40cm/15.75inch Wire Color: Black Weight: 17g Interface: 4 Pin Interface of Computer Motherboard Package Includes: 1 Piece PWM Splitter(4 Pack) Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!