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Succeeding the iconic NF-A15, the NF-A14x25r G2 has quickly established itself as a new benchmark for premium quality quiet round-frame 140x25mm fans.Its advanced aerodynamic engineering featuring a novel Progressive Bend impeller design with Centrifugal Turbulator hub, winglets and a record tight tip clearance of only 0.7mm enables the G2 model to provide a significant boost in performance-to-noise efficiency over its renowned predecessor.At the same time, its etaPERF motor with SupraTorque can leverage extra torque headroom when required, which makes the NF-A14x25r G2 an ideal upgrade for NH-D15, NH-D15S and NH-U14S heatsinks.The Sx2-PP set contains two fans that are slightly offset in speed (+/- ~25rpm) in order to avoid undesirable harmonic phenomena such as beat frequencies, which can be heard as intermittent vibrations or periodic humming due to interference. This makes it ideal for equipping coolers with two fans in a push-pull configuration.Topped off with Noctua’s trusted premium-grade SSO2 bearing, more than 150,000 hours MTTF and a 6-year manufacturer’s warranty, the NF-A14x25r G2 PWM Sx2-PP chromax.black is the perfect choice for users who are looking for a dual 140mm round fan set that combines cutting-edge quality, quietness and performance in an all-black style |
