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M on Phanteks PH-F120T30: The fan that pushes boundaries For some time now, we know from the results that current, the best 120 mm... So overall, on the performance side, the Arctic P12's are an excellent choice for anybody that does not want any unnecessary RGB features in their build. After letting Heavyload grill the CPU, we came to the following results while the Fans were spinning at 100% PWM. The P12 has larger blades compared to the BioniX P120, although it doesn’t seem like it unless one sees those fans side by side. So with the same size hub, the gaps between the blades are naturally smaller on the P12, so there is less room for airflow leakage and higher static pressure is achieved. This means that the airflow loss due to obstacle resistance is smaller with the P12 than with the P120.
Arctic P12 Static Pressure 120mm PWM PST Fans Black (5 Pack) Arctic P12 Static Pressure 120mm PWM PST Fans Black (5 Pack)
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. While Benchmarking, they managed to outperform everything we own under full load and managed to keep a very good position while letting the Fans spin slower. P12 / F12 PWM PST CO => Has a PWM Connection + Daisy Chain Connection + Build for Constant OperationSamák on FSP Hydro G Pro ATX 3.0. From creators of the unforgettable Sure, PSUs are not really something that we have some ambitions for the future, so... Then it’s very strange. We use spectrograms instead of sound recordings for sound analysis precisely because we do not want a dispute to arise at the level of subjective perception of individual frequencies. Everyone sees their intensity in spectrograms in the same way and the results of NF-A12x25 PWM clearly show that there is practically no noise that can be perceived by a person when using PWM control. Or if you can hear some sound in the frequency band we are talking about, you should also hear it with Silent Wings 3. But I understand the increase in motor power. I would say the original P12 is quite significantly underpowered, with small headroom. 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. In addition, we will select fans that will have the highest airflow in the 31 dBA mode and there will be room for further noise reduction. 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. The NF-A12x25 PWM here allows setting some of the highest speeds mainly because it is PWM controlled, and now I’m not afraid to use the word extremely quiet running of the motor and bearings. This is also visible in the spectrograph, where in the frequency band of these components the noise is extremely low. Noctua deserves all the respect in the world here for going into such details as smoother/quieter PWM waveforms with a slanted left-hand side of the pulses. M on Get familiar with measuring the frequency response of sound I've been playing around with spectral analysis app on my phone to estimate RPM of...
Arctic P12 PWM PST: The most famous rumbling fan Arctic P12 PWM PST: The most famous rumbling fan
At a first glance, the Arctic P12 Lineup may be overwhelming, but we will try to make it as clear as possible. Arctic's Lineup of 120mm Case Fans is grouped into 2 big Product Lines, the P12 Series & the F12 Series. PDF 429.9KB ACFAN00171A - P12 PWM (White) - RoHS, REACH, PAHs declaration of Compliance - 2022-10-14 To our delightful surprise, the Arctic P12 PWM managed to beat absolutely every other Case Fan that we own. Once we turned down the PWM Speed to 50%, the P12 placed themselves just behind the Noctua NF-F12 's and Inter-Tech RS-14 (Yes a 140mm set)As we used the P12 PWM in their "PST" Version, we were able to make use of their "Power Sharing Technology". This PST Plug basically adds an additional 3-Pin Output to the cable of Each Fan. So I must admit that I missed that there are also different revisions of the P12 PWM PST. In this case, ours, tested, will be the rev. 1. – 0.08 A and without the revision specified next to the EAN code. That’s how Artcic usually does it when it’s the first revision…
P12 Max | High-Performance 120 mm PWM Fan | ARCTIC P12 Max | High-Performance 120 mm PWM Fan | ARCTIC
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 The P12 Series is pressure optimized, meaning that the Air that the P12 Fan is pushing has a higher pressure, resulting in a better passthrough if the direction it blows is restricted, like by a Radiator or Filter. I tried to find the information about this and I found that the company resolved the resonance at Rev.2. Also there are a the change at required current(0.08A->0.10A). But I don’t know the difference between Rev.2 and Rev.3.The P12 PWM PST fan (hereafter referred to as the P12, but we’re still talking about the PWM PST variant) has a 5-blade axial rotor, which is typical of Arctic’s current “P” series models. Because of the small number of blades and the intention to achieve high static pressure, each blade must be large. If the blades were smaller, a lot of air would escape through them, which would reduce the airflow the more resistance the fan would have to overcome. Thus there is a considerable cross-sectional area covered by the blades, so that the airflow does not decrease excessively even if the fan is operating on restrictive obstacles. Additionally, they did manage to keep the noise level pretty low, and even be "un-noticeable" in the lower 50%s of their PWM Speed. Inside of the Box, we can find the Fan, a little Bag with 4 Mounting Screws, and a Smartphone Shaped piece of paper with a QR Code redirecting to the User Manual. For being only a 6-euro fan, the precision of production is extremely high. It’s only at the level of really fine detail that you’ll find that the P12 has slightly looser manufacturing tolerances than Arctic fans with a similar rotor. There will be a tiny unevenness here and there on the P12, but it will have virtually no impact on the performance. And at this price range, it’s also a bit unfair to point it out, as similarly priced fans often fare considerably worse. By doing so, we can use the CPU Temperature as an accurate measurement as the CPU temp now only relies on the Air that the Case Fans are pushing into the Case.
ARCTIC P12 PWM PST (5 Pack) - 120 mm Case Fan, PWM Sharing ARCTIC P12 PWM PST (5 Pack) - 120 mm Case Fan, PWM Sharing
With 62°C on the CPU and 43.5 dbA, the P12 even managed to outrank the Noctua NF-F12 in both metrics, even though the Noctua's are almost double the price. If you want to control several fans from one unique motherboard header, you can use PWM splitter cables such as the ARCTIC PST Cable rev2 . We however recommend to limit the number of fans per header to 5 as the current may be limited to 1.0 A per header (please refer to your motherboard manual). it’s regular PWM, and as mentioned these are quiet enough to fase out at a distance, probably arms length is already enough and it never becomes audible from the actual use distance no matter the speed, it may be some artifact caused by a low PWM setting, maybe slightly flawed PWM controller on the board too as I imagine that may cause troubleBecause the P12's are aimed at the Performance-only market, we will also cease to let their design affect our Review. While benchmarking the Fans, we also tried to test if their claims were true. For this, we simply cut the Anti-Vibration Pads of other fans into an acceptable shape and added them to our Benchmark schedule. zakius on Enermax Liqmaxflo 360 – Hefty, silent and efficient the title says silent but it doesn't even appear on the 36dB(A) chart, that seems... The design of the frame of the P12 is very simple and differs from the others only by the shaped protrusions in the corners where you would expect anti-vibration pads. Arctic doesn’t supply these with this fan, although they would be useful. But again, considering the price, this is something we can’t fault this fan for. In short, a necessary compromise. 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.
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