Noctua NF-F12 iPPC 3000 PWM, Heavy Duty Cooling Fan, 4-Pin, 3000 RPM (120mm, Black) Brand: Noctua Power Connector Type: 4-Pin Voltage: 12 Volts Cooling Method: Air Compatible Devices: Desktop Noise Level: 43.5 dB Material: Fibre-glass reinforced polyamide Maximum Rotational Speed: 3000 RPM Air Flow Capacity: 186.7 CMPH About this item: • Heavy duty cooling fan, 120x120x25 mm, 12V, 4-pin PWM, max. 3000 RPM, max. 43.5 dB(A), 150,000 h MTTF • Award-winning 120x25mm fan with Focused Flow frame for high static pressure and superior cooling efficiency • 12V 3000rpm model (43.5dB) with 4-pin PWM connector for automatic speed control via 4-pin PWM fan headers, broad 750-3000rpm speed range • High-speed industrial PPC version for industrial heavy-duty applications that require extreme cooling performance and advanced ingress protection • Ruggedised fibre-glass reinforced polyamide construction and IP52 certified water and dust protection 100% Satisfaction Guarantee: If you are not completely satisfied with your purchase, we will FULL REFUND guarantee without any questions, and our friendly customer service team is waiting for helping you.