ARCTIC F14 PWM PST CO - PC Fan, 140mm Case Fan with Sharing Technology (PST), Dual Ball Bearing for Continuous Operation, Quiet, Computer, 200-1350 rpm Black

INNOVATIVE DESIGN: Design of fan blades improves airflow and facilitates efficient ventilation, impeller was designed with a focus on minimzing the noise level yet delivering the desired airflow and pressure PERFECT CASE FAN REGULATION WITH PWM: The PWM function allows the motherboard to run the fan precisely at its necessary speed, this guarantees the required cooling and minimizes the noise level PWM SHARING TECHNOLOGY (PST): PST assures that all of your fans listen to one control signal, e.g. you share the CPU Cooler's PWM signal and assure that your case fans stand down at low load and spin up whenever necessary JAPANESE DUAL BALL BEARING: The premium quality Japanese dual ball bearing allows continuous operation 24/7 without the slightest compromise in performance TECHNICAL DATA: Fan speed: 200–1350 rpm, Airflow: 74 cfm | 126 m³/h, Noise Level: 0.3 Sone, Static pressure: 1.3 mmH₂O, Pin: 4-pin