The F12 PWM PST CO fans aim to offer superior durability and cooling performance for demanding and continuousoperating PCs. With the PWM Sharing Technology (PST), the F12 PWM PST CO fans regulate the fan speed based on the actual needs with optimal cooling performance and noise control at all times.\n\n- Japanese brand dual ball bearing provides a longer life span\n- Ideal for continuous operation with exceptional stability\n- PWM Sharing Technology (PST)\n- Extremely quiet with low noise impeller\n- High airflow and static pressure