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This is a good study of the effect of rings. The blades are a bit shorter so there’s less airflow at the same noise level (despite higher static pressure), but it suppresses blade vibrations very effectively, improving the noise profile for fans using flexible blades.
Arctic P12 Static Pressure 120mm PWM PST A-RGB 0dB Fan White Arctic P12 Static Pressure 120mm PWM PST A-RGB 0dB Fan White
Thanks to an alloy/lubricant combination developed in Germany, friction within the bearing is reduced and greater efficiency is achieved. In this way, less heat develops, less bearing noise is generated and the service life of the fan is extended. well, it did once the noise became high enough to make all the finetuing Noctua does irrelevant, at 31dB(A) and below there’s no competition, and I hope we’ll see these lower noise targets soon”I have to admit that I hadn’t heard of the Cooler Master Mobius before the case fan review of the 120mm fans, and I was definitely surprised by them. The same goes for the MSI Silent Gale P12s, which at first glance seem similar in design to the Noctua NF-A12x25s, but perform better as case fans. Due to the lower maximum speed, they fall a bit short in the final test, but they offer excellent performance in a normal volume setting. In this test, the temperatures and the noise development are added together. Therefore, it is not surprising that the fans that combine good performance with low noise are at the top. Cooler Master’s Mobius 120 in the regular and RGB versions are at the top together with MSI’s Silent Gale P12. Those who would have expected the Noctua NF-A12x25, which is considered revolutionary and has received a lot of praise, to be at the top will be somewhat disappointed in this case. While these offer good performance as case fans and are quiet, they are definitely beaten by other models in this area. During the development of the P12 PWM PST, special emphasis was placed on a focused airstream and thus a high static pressure. The fan guarantees extremely efficient cooling, even with increased air resistance. Therefore, the P12 PWM PST is particularly suitable for use on heatsinks and radiators. A 10 °C lower motor temperature roughly doubles the life span of a fan. The new ARCTIC motor has a four times longer service life through its low coil temperature. Consequently, we have extended the warranty to 10 years. By far the weakest fans in this test remain the Alseye X12, apart from that the last places are occupied by the NZXT F120 RGB and the Alphacool Aurora Rise. Case fan at maximum power
P12 PWM PST A-RGB | semi-passive A-RGB case fan | ARCTIC
There are a lot of droning or downright rumbling fans out there, but none have been as popularized by this sound profile as the Arctic P12. Probably also because this acoustic deficiency is really pronounced here and has pushed the manufacturer to make design changes in newer models that are aimed at suppressing critical tonal peaks. But even so, the base model P12 PWM PST is a remarkable fan and is unbeatable in its price range.
The Prisma AL-14/PWM is a solid all-around option, and it’ll do well as both an intake and exhaust. We think it’d work best as a static pressure intake fan, though, as there aren’t many 140 mm RGB fans on the market with a comparable static pressure rating. 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. This reduces noise to a minimum while guaranteeing maximum cooling performance. The speed of the fan can be throttled down to standstill via PWM. This allows silent operation in IDLE and at the same time guarantees maximum performance when required. At comparable speeds, Arctic’s five-bladed fan rotors deliver higher airflow than most competing solutions, and even at lower noise levels, aside from the aforementioned rumble. It’s just that this sound is characteristic of early P-series fans. The blades are too long, flexible and made of a material with higher thermal expansion.
ARCTIC P12 PWM PST ARGB - User Manual
The Cooler Master Mobius 120P ARGB are thus also the strongest RGB fans in this test run, are followed by the RGB version of the DeepCool FC120 and the ENDORFY Fluctus 120 PWM ARGB. At the lower performance end remain the Alseye Xtreme X12, which not only provide the lowest performance, but are also many times louder than the next two fans at the lower performance end. The be quiet! Shadow Wings 2 and the Fractal Design Aspect 12 do not offer high peak performance, but they remain quiet enough on uncontrolled full power that they do not attract negative attention. Observation over all results EK is well known as a manufacturer of water-cooling components, including radiators. So it’s no surprise that their EK-Vardar EVO 120ER D-RGB fans excel at static pressure. The 3.16 mm-H2O rating of the EVO 120ER makes it the perfect 120 mm RGB fan for radiators and filtered intakes. Within all testing of all the fans, there was only ever 1°C difference between them. So, the fan is no better or worse at the specific tasks than any other fans we tested.In addition, Arctic states that the P12 also achieves higher airflow at lower speeds, which is partially true, but not to the extent that the specs suggest. At the same speeds, the P12 A-RGB’s airflow is indeed lower because there’s more hub area for the same overall cross-sectional area. This by approximately 47%. However, in terms of the rotor as a whole, this difference is not that dramatic. Subtracting the internal cross-section (hub), the external cross-section (blades) of the P12 A-RGB is only 4.9% smaller. And it is also important to note that this is in an area where the effect of area on efficiency decreases. One of the differences from the BioniX P120 A-RGB that is also good to notice when judging the results is the smaller offset of the rotor from the frame. The P12 has a half centimeter narrower tunnel, so the rotor is closer to the obstacle, which changes the airflow velocity in addition to the noise. So there is actually a similar effect that the Noctua NA-IS1 frame is supposed to provide.
P12 PWM PST A-RGB | Semi-Passive 120 mm Fan with - ARCTIC
Thanks to the 4-pin connector, the RPM can be regulated in a broad spectrum via PWM. In this way, noise is kept at a minimum while maximum cooling performance is guaranteed when needed. The P12 PWM PST is able to switch into silent passive mode when PWM signal is below 5 % due to its new motor. This allows working at your PC in complete silence without any unwanted noise. Additionally, the 120 mm versions of the new P-fans can be easily mounted to existing Freezer 32 and Freezer 33 models.
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Quiet yet powerful case fans: Cooler Master Mobius (bottom left), MSI Silent Gale P12 (bottom right), DeepCool FK120 (top left) and Arctic P12 (top right) The P12 PWM PST A-RGB 0dB has 12 digital A-RGB LEDs in the fan scar. These can be controlled independently of each other and are compatible with the common A-RGB standards of leading motherboard manufacturers. The fan can thus be fully illuminated directly via the A-RGB mainboard connector or via an external controller and synchronised with the illumination of other hardware.
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