Noctua NF-A12x25 G2 PWM Sx2-PP, 12v Ventilation Fan, Dual Fan Set for Push-Pull and Side-by-Side Applications (Brown)

Next-gen 120x25mm design for unprecedented quiet cooling performance in both high airflow and high static pressure applications: ideal as a PC case fan, on CPU coolers and water cooling radiators! State-of-the-art engineering (Progressive Bend impeller with winglets and Centrifugal Turbulator, Flow Acceleration Channels, AAO frame) and construction (Sterrox LCP, ultra-tight tip clearance) Dedicated push-pull set (Sx2-PP) with two NF-A12x25 G2 PWM 120x25mm fans that are slightly off-set in speed (+/- ~50rpm) in order to avoid undesired acoustic interaction phenomena Ideal choice for push-pull applications as well as situations where two or more fans are operating side by side (240 or 360mm water cooling radiators, case intake or exhaust fans, etc.) Trusted Noctua quality with premium-grade SSO2 bearing (MTTF > 150,000 h), safety certifications from UL and TÜV, protected against reverse polarity, over voltage and over current (short-circuits)