Noctua Fan 12V NF-A12x25r, PWM

Noctua's NF-A12x25r fan is a premium round 120mm fan that features a narrow impeller gap of just 0.5mm to deliver superior performance at higher dynamic pressures. The fan is equipped with a pioneering Advanced Acoustic Optimisation (AAO) frame system and some advanced aerodynamic design measures such as Flow Acceleration Channels for improved cooling performance with low noise. The renowned SSO2 bearing technology guarantees excellent smooth running for over 150,000 hours and long-term stability. Its round design makes the fan suitable for applications where space is limited and 120mm square frame fans cannot be used (e.g. on low dual tower CPU coolers like the NH-D12L etc.) .

► PWM:

The PWM version of the fan supports fully automatic speed control; An included low noise adapter can reduce the maximum speed in PWM operation from 2000 to 1700 rpm.

Danger! With a hole spacing of 93x83mm, the NF-A12x25r round fan is not suitable as a replacement for commercially available square fans that are standard in PC cases, water cooling radiators or CPU coolers. Here you need the square NF-A12x25 fan with a hole spacing of 105x105 mm.

Technical specifications: