Features: brand new and high quality PC PWM Fan Hub to expand the 5-way 4-pin fan interface to solve the problem of insufficient number of motherboard fan interface, and centralized handling fan cable messy problem. Used for motherboard 3Pin / 4Pin fan. 3Pin fan can also be used, but after the connection is full-speed run, because 3Pin fan without PWM speed control function. A piece of strong for 3M adhesive is installed on the back of the hub, which can firmly fix the hub into the chassis. Hub board with a fixed screw hole,The product package also contains a 40cm PWM temperature control cable. The temperature control and speed regulation connection line, and the temperature control and speed regulation can be carried out by the motherboard after connecting to the main board. Specifications: Product size: 5cm long and 1.8cm wide Wire length: 40cm wrapped nylon mesh (other sizes can be customized) Type of yarn: 1007 22awg Insulation material: PVC insulation Conductor Specification: 17 x 0.12TS Conductor material: Tinned copper Wire diameter: od1.4mm x 4 Rated temperature: 80 Wire color: black Product Interface: 4pin interface of computer motherboard Product function: make five computer fans share a 4pin interface Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1PC x PWM FAN Hub