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During the development of the new P12 PWM PST, special emphasis was placed on a focused airstream and thus a high static pressure. Did you ever get the chance to look at the Arctic P12/P14 PWM PST CO (=Continuous Operation) version of this fan?
Some fans cannot be slowed down even to 31 dBA mode and of the remaining ones, half of them have a speed of 600 rpm or lower. Additionally, the 120 mm versions of the new P-fans can be easily mounted to existing Freezer 32 and Freezer 33 models. When setting fixed dBA, the sound will be largely made up of unwanted noises, which have an undesirable impact on the final rotor speed when tuning (the noisier the motor, the less room is left for rpm). Starting out, it’s still worth noting that the Arctic P12 compares with the previously tested BioniX P120 A-RGB, although it has seemingly the same rotor – it doesn’t. More Efficient Technology The motor is powered by a Neodym-Iron-Boron-Magnet ring of the newest generation, which allows the new P12 PWM PST to run much more efficiently than its predecessors.
In this review, I will evaluate one of the most popular fans, usually used for chassis cooling, the Arctic P12 PWM PST. Optimised for Static Pressure During the development of the new P12 PWM PST, special emphasis was placed on a focused airstream and thus a high static pressure. Contamination and high temperatures affect this bearing much less than ordinary sleeve or ball bearings. This means that at equal noise levels, you will achieve lower cooling performance, and it doesn’t really matter what fan you use.
However, the distance to the corresponding connector is increased so that cable management won’t be as easy. Due to a sinus-magnetizing the new motor only creates about 5 % of the vibration from commutation of a regular DC-motor without filter. If the BioniX P120 catches up to the P12 anywhere, it’s when the P12’s sharper tonal peaks significantly limit the P12 when the speed is controlled for equal noise level. With the inexpensive P series, Arctic also offers its fans with a regular frame design that can be used universally in cases, on coolers and on radiators. But on a thicker radiator in one of the model situations, the Arctic P12 ranked as high as just behind the Noctua NF-A12x25 PWM.
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Noctua often has complaints about the PWM signal quality of third party devices and states that it can be misinterpreted at lower speeds. During the development of the new P12 PWM PST CO, special emphasis was placed on a focused airstream and thus a high static pressure. I cannot stress on how much I can highly recommend this seller, professional, very polite and very friendly. Now I know, 600 rpm, okay, and as a sign that I appreciate that we have such demanding readers, I promise you that sooner or later we will create another mode, which will be twice quieter than the quietest mode that we have now. And these, when they hit the resonant frequencies in an exemplary way, the result is that at the same, let’s say, average noise level, the P12 can indeed be a noisy fan both in the low-frequency (up to 200 Hz) range of sound and between 300–450 Hz.We also focused on this aspect when building the methodology back then (designing the acoustic panels and calibrating them before measuring each fan), so that the environment is not only consistent, but the resolution is as high as possible. With mesh cases, a lot is up to personal preference (apart from CPU cooling where NF-A12x25 shows its teeth). With a wide speed range and the innovative PWM Sharing Technology (PST), the fan speed of the P12 PWM PST A-RGB 0dB can be controlled synchronously with all other fans. There will be a tiny unevenness here and there on the P12, but it will have virtually no impact on the performance. However, it is not only a choice between light (P12 Max White) and dark (P12 Max Black), but also between different types of bearings, fluid dynamic and ball ones.
If the P12 blades were glass, this fan wouldn’t give other fans much of a chance, but again, only until it breaks. The premium quality of the dual ball bearing allows 24/7 continuous operation without compromising performance. In any case, it is once again a 120 mm fan that will be taking the top ranks in comparison tests with its performance characteristics.I appreciate the true honesty toward this fan unlike youtubers or other reviewers that praise this fan without mentioning the terrible whine it does at too many rpms. It is hard to say how the characteristics of the P12 would change if a rotor made of LCP were used while maintaining the same geometry. As a result, there is less heat development as well as less bearing noise, which means you can enjoy a longer service life from your fan.
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