Features: CPU interface connects to motherboard cpu fan interface, the first dedicated interface for cpu fan. FAN1/FAN2/FAN3/FAN4 interface is pwm conventional fan interface Excellent 1 to 5 splitter 5-way 4-pin PWM fan power extension cable, better power supply for the internal motherboard fan of the PC computer case. The extension cord provides more flexibility between the motherboard and the CPU cooling fan.Compatible with 4-pin and 3-pin PC chassis motherboard fans. Using thick pure copper cable, the power transmission speed is fast, the power is sufficient, and the fan works more stable. 100% brand new and high quality Expand the 3-pin/4-pin interface of the 5 way fan to solve the lack of motherboard interface and concentrate on processing fan wires. Package Includes: 1 x PWM HUB 1 x Cable Specifications: Patch Cord Size:: approx 48x19x17mm/ 1.89x0.75x0.67in Cord Length: 335mm/13.19in note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.