In a nutshell: Noctua has launched a brand new model of its 140mm cooling fan that is almost a decade within the making. A direct successor to the unique NF-A14, the brand new NF-A14x25 G2 square-frame is billed as the corporate’s most superior fan to this point.
The Austrian cooling specialist claims the NF-A14x25 G2 is well-suited for any software, together with as a low-impedance, airflow-focused case fan or on a heatsink or radiator the place high-impedance, static strain is a precedence.
The usual the NF-A14x25 G2 is a PWM unit with a max 1,500 RPM rotation pace that flows 155.6 cubic meters per hour (91.58 CFM) at 24.8 dBA. Noctua additionally has an LS model that slows the fan down to only 800 RPM, leading to 81.6 cubic meters per hour (48.03 CFM) at simply 11.4 dBA. Utilizing the included low noise adapter, you may get it down to eight.6 dBA at 39.73 CFM.
Noctua additionally has a specifically crafted two-pack by which the followers are offset in pace by +/- 25 RPM, which the corporate says will be helpful in push-pull operation or when situating two followers aspect by aspect to assist keep away from buzzing or different acoustic interplay phenomena.
The followers are loaded with superior know-how, together with a brand new ultra-low-loss motor with SupraTorque that may leverage further torque to maintain the blades spinning at their desired pace when preventing the forces of again strain. An anti-vibration gasket comes pre-installed, which may help reduce down on noise and create a tighter seal when mounted to a radiator.
In lab testing, Noctua mentioned its new fan was in a position to outperform the unique by almost three levels Celsius on a liquid-cooled setup. If noise is a high precedence, word that the brand new fan can match the cooling efficiency of the unique whereas operating 300 RPM slower and almost 11 dBA quieter.
Noctua’s newest followers come backed by a six-year producer’s guarantee. The usual and low-noise variations are priced at $39.90 apiece whereas the two-pack instructions $76.90. All are in inventory and out there to order now over on Amazon.