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The NF-A12x25 PWM and the NF-A14 PWM are static pressure-focused fans, but they also offer more than enough airflow to make them viable for every position in a PC case. We particularly like the NF-A14 as an all-purpose cooling solution. Its 82.5 CFM of airflow trumps even some airflow-focused fans while still offering a decent 2.08 mm-H2O of static pressure for pulling air through dust filters and other intake obstructions.
A surprisingly high performance has the DeepCool CF120, which achieved the best temperature results at the RPM, but due to the higher volume they are found a bit further down the list. The very loud and weak Alseye X12 attracted negative attention. Case fan at uniform 31 dB(A) Most gaming PC cases will support 120 and 140 mm fans, letting you choose between the two. While both will be fine, 140 mm fans tend to be the better choice overall. Why? 140 mm fans’ increased diameter means they can perform better than 120 mm fans at a given RPM. So you can run your 140 mm fans slower for reduced noise while maintaining equal airflow to a 120 mm fan. 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 the budget range, I had particularly counted on the Arctic fans, with the P12 and P12 Max also delivering upper-class performance at a very low price. The Arctic F12s unfortunately don’t quite make the cut of their 140mm sisters and lose out significantly to the P12 models. If you’re building in a case that supports larger fan sizes like the Fractal Torrent and its 180 mm front fans, then you’ll almost always want to take advantage and use the largest fans possible. Especially if, as with the Torrent, the case already comes equipped with them.
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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 Choosing the best case fans for your rig depends a lot on what you need out of your PC’s cooling solution. Some fans excel at near-silent running, while others crank the fan speeds up to push as much air as possible to feed your hot, power-hungry PC components regardless of noise. It’s all about finding the right fan for the job. Speaking of moving air, the stat you want to keep your eyes out for is “CFM,” which stands for “cubic feet per minute.” The higher the number, the more air the fan can move, the better. That said, fans with the highest CFM also tend to be loudest.
We think most average gamers will be more than happy with the Arctic P12 PWM or P14 PWM. They’re quiet, high-performance fans that compete with Noctua’s offerings at less than half the price. Of course, if you want the prestige of a high-end, premium fan, then Noctua’s NF-A12x25 PWM and NF-A14 PWM are still the fans to go for. Just remember that you’re not paying entirely for the performance there. 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) Most of the fans on our list use PWM, or pulse width modulation. PWM allows for fine-grained control of fan speeds without manipulating fan voltage. The main advantage of this approach is that it lets you slow fans down and even stop them without any adverse effects. Most voltage-controlled fans will stall below 5 volts, which stops them from working at ultra-low speeds. So PWM is important for achieving those 200 to 500 RPM speeds that silence enthusiasts may want.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 Another thing to keep in mind is that fans are generally specialized for one of two things. Either they are optimized to move a high volume of air (generally with large blades and high RPM) or generate high static pressure. High-airflow fans can run into problems when used in a case with restricted airflow – that’s what high static pressure fans are for. Of the two, the 120 mm P12 strikes us as the better choice, at least as far as value goes. Its 56.3 CFM of airflow and 2.20 mm-H2O of static pressure place it only slightly behind Noctua’s top-tier offerings for cooling performance. The P14 is still great, and it’s the case fan I use in my rig, but it lags a bit further behind Noctua’s equivalent 140 mm fan than the P12.
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. Low Profile coolers (also known as top blowers) are active coolers, which usually use a slightly wider and flatter heat sink on which a fan is mounted. The airflow is thus directed directly toward the CPU / motherboard. The advantage of this cooler is the more compact design, which makes it more common in smaller PC cases. In addition to the CPU, other mainboard components (memory, controller) are cooled slightly, too. Overall, we think that the Arctic P12 and P14 are some of the best PC case fans to come out in recent years. Both prove that you don’t need to spend a lot of money to get quiet, high-performance fans for your rig.
Noctua makes a few different versions, but the ones we’re interested in are the 3000 RPM versions, which are the best airflow fans in the range. Both the 120 mm and 140 mm versions offer more than 100 CFM of airflow, with the 140 mm fan, in particular, impressing with its 158.5 CFM. Static pressure is also impressive, and the 120 mm fan takes the cake here with a staggering 7.63 mm-H2O. Many RGB fans only have a single RGB ring on the intake side, limiting the visibility of the ring depending on their placement. Not so with the Corsair QL fans. These have RGB LED rings on the intake and exhaust sides; the upshot of this design is that you get that sweet RGB ring lighting no matter the fans’ orientation. If you’ve always been frustrated by the dull exhaust sides of many RGB fans, these Corsair QLs are for you.
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