They made their debut on Liquid Freezer III Pro liquid coolers, and there’s a strong chance the Arctic P12 Pro fans will eventually be sold separately. The notable improvement lies in their redesigned aerodynamics – the P12 Pro models feature more blades than their predecessors, altering their performance characteristics. This article focuses on known details about these new P-series fans.
Arctic’s development team implemented a significant design change for fans primarily intended for heatsinks and radiators. The new P12 Pro’s impeller contains seven blades – a departure from the five-blade design that became iconic for Arctic’s “P” series fans (including the P12/A-RGB and P12 Max models).
The reduced blade count in this design necessitated significantly larger surface area per blade to maintain high static pressure. As visible in the P12 fan’s exceptionally long blades, this implementation with lower-strength materials (like thickened PBT plastic) produced undesirable outcomes – including excessive torque ripple, increased vibrations, and ultimately noisier acoustic performance at lower frequencies.
Arctic sought to eliminate or at least mitigate these issues over time by implementing a stabilizing hoop that reinforced the blade tips. This modification debuted with the Arctic P12 A-RGB fans – representing a compromise solution that enhanced the existing design while maintaining low production costs.
>The later-stage solution appears to be a complete aerodynamic redesign, while retaining the impeller’s stabilizing ring – now reinforcing significantly shorter blades. The new P12 Pro fans feature seven blades (two more than previous designs).
The official specifications reveal an extended 600–3000 RPM speed range. This substantially exceeds the ~1800 RPM limit of the original P12 PWM, naturally achieving higher maximum airflow and corresponding static pressure.
Arctic advertises 131 m³/h airflow (presumably at zero static pressure) and 6.9 mm H2O static pressure (likely at zero airflow). These parameters suggest exceptionally minimal airflow restriction when mounted on liquid cooler radiators.
While unobstructed airflow might not set records – given the P12 Pro’s relatively large impeller hub and slight airflow restriction from the stabilizing ring – peak efficiency in target environments (like radiators) shouldn’t suffer. These fans’ above-standard static pressure should minimize airflow reduction through radiator fins. This remains theoretical, but appears credible when examining the P12 Pro’s visible design characteristics.
The stabilizing hoop serves multiple purposes beyond just vibration damping and noise reduction – it also delivers measurable performance benefits. By preventing airflow separation at the blade tips (a phenomenon that would otherwise occur without the ring), it maintains more efficient airflow patterns.
Whether the P12 Pro fans will be available for standalone purchase (outside Liquid Freezer III Pro coolers) remains to be seen. However, we anticipate they eventually will be – Arctic has little reason not to offer them. Whatever they decide, you’ll certainly hear about it. We’re looking forward to it.
The new 7-blade design appears in both ARGB LED-equipped P12 Pro fans (used on LF III Pro coolers with model codes ACFRE00184A and ACFRE00188A) and non-RGB versions (ACFRE00180A). Notably, the P12 Pro utilizes fluid dynamic (FDB) bearings – matching the latest revisions of all P12 Max fans.
English translation and edit by Jozef Dudáš
