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
Description
Cable Matters 2-Pack 3 Way 4 Pin PWM Fan Splitter Cable - 12 Inches & PWM 4 Pin Fan Extension Cable