Cable Matters 2-Pack 3 Way 4 Pin PWM Fan Splitter Cable 12 Inches, PC Fan Splitter 1 to 3 Converter, PC Fan Extension Cable

Triple Fan Connection Solution: 4 pin fan splitter cable connects 3 computer case fans to a single motherboard fan header; PWM splitter cable connects an additional fan to increase airflow in your computer case; Fan speed label on the 4 pin fan master connector of the fan header splitter is wired to receive the PWM control signal and share it to the slave fans. Unified PWM Control: PC fan splitter connects to the 4-Pin header on the motherboard and splits the signal to 3 PWM fans; PWM fans can spin at the same speed using software from a motherboard equipped with PWM control. Synchronized Speed Management: CPU fan splitter has a 4 pin fan connector a wire that sends the RPM signal to the motherboard connector for synchronizing the fan speed with the other 2 fans; 3 pin fan splitter omits the RPM signal pin for tandem fan speeds with all 3 fans when supported by your computer and fans. Spare Cable Convenience Pack: Cost-effective 2-pack of computer fan splitter 4 pin cables