PC Components

Cooler Master Mobius 120 review – an unexpected fan

Cooler Master is definitely a very well-known brand in the computer universe. But when questions about the best fans come up, the recommendations very often end up with Noctua, Arctic, be quiet! or Corsair. I too have to admit that I had paid little attention to Cooler Master when it came to fans. Eventually, however, my attention was drawn to the Cooler Master Mobius 120 as part of extensive fan testing. To see what sets these fans apart from the crowd, check out this review of the Cooler Master Mobius 120!

Specifications

Size 120 x 120 x 25 mm
Speed 0 – 2050 (+ / – 10%)
Maximum Airflow 63.1 CFM
Maximum static pressure 2.69 mm H2O
Noise 22.6 dB(A)
Storage Loop Dynamic Bearing
Expected Lifetime >200,000 h
Guarantee 5 years
Price € 22.52 *

Packaging and scope of delivery

  • Colorful box with slide-in
  • Screws are the only mandatory accessories

The Cooler Master Mobius 120s come in a colorful, compact box. On this, the fan is printed, but becomes quite inconspicuous black (albeit glossy) between the bold packaging colors (which in turn are matte).

When you open the box, you can pull out a white slider. Inside this is the fan. The cover next to it covers the fan cable and the package of case fan screws.  That’s about it for the scope of delivery.

Design and workmanship of the Cooler Master Mobius 120

  • Unobtrusive finish
  • Fan blades connected with ring
  • Combination of black and dark blue

In dim light, the Cooler Master Mobius 120 looks black at first. But if you look closer or have more light available, you quickly realize that it is just not black. The rubberized support surfaces in the corners and the fan blades are dark blue! What also stands out is that the seven fan blades are connected by a ring at the outer end.

This color scheme is already… individual. Without being as obtrusive as Noctua’s brown color scheme.

The build quality seems unspectacular at first, and this fan is also relatively light. The frame is largely “normal”. The fan blades look a bit better, but again, aside from the color, the material is unspectacular. But cleanly processed. The cable is cleanly manufactured and has a very high-quality sleeving. However, it turns out a bit short with a length of just under 30 cm, which could be quite problematic without an extension cable depending on the position and case size.

So far, everything is not unexpected. By the way, the fans are controlled with a regular 4-pin PWM connector. In terms of design, the fan blades indicate a typical all-rounder.

Loudness and performance

  • Very low noise
  • few fans are similarly quiet

Let’s get to the most important part: what kind of performance do these fans bring? Anyway, when I first turned on the Cooler Master Mobius 120, I first checked to see if they were really running. I’ve only known such quietness from a few fans before, like the Noctua NF-A12x25, the Arctic P12, or the far more expensive MSI MEG Silent Gale P12. Impressive.

The typical uses of fans are in the PC area as case fans, on radiators of water cooling systems, and on air coolers. In all areas I have conducted tests and compared.

Cooler Master Mobius 120 in motion
The Cooler Master Mobius 120 spins very quietly

Test results

  • Extremely powerful case fan
  • Still solid performance on the radiator
  • Very performant on the air cooler

The results are particularly outstanding when used as a case fan. Here, the Cooler Master Mobius 120 puts itself at the top of the tests whenever it comes to volume-optimized performance. It’s only in the high-performance range that other fans can catch up, simply coming out on top with a higher maximum speed. If you run other fans at the same speed, there are still other models that perform very comparably, but get louder in the process. But when it comes to low volumes suitable for everyday use, the Mobius 120 is in the best place.

When used as a radiator fan, the Cooler Master Mobius 120 is overtaken by a few other fans. At identical volumes, the Arctic P12s in different versions pass by, as do the Corsair AF120 Elite, the be quiet! Silent Wings Pro 4, and the Noctua NF-A12x25. Overall, though, the Mobius 120s still play in the solid range of the performance field. Especially when it comes to the volume.

Last but not least, the use on the air cooler. In this area of use, the Cooler Master Mobius 120 once again hits close to the top. At a uniformly low volume, they offer very high performance and are in a performance class here with the Noctua NF-A12x25, be quiet! Silent Wings Pro 4 and ENDORFY Fluctus 120 PWM. If you run the fans at full power, some faster fans beat them to the top of performance. But in the test system, they are only a few Kelvin below the top when doing so, and in comparison, only the MSI Silent Gale P12 are in a very similar speed/volume performance range, otherwise the fans almost always get louder at the same speed.

Conclusion

The Cooler Master Mobius 120s are impressive fans in the mid-range price range. Where the build quality is unremarkable, these 120mm fans are extremely quiet while still being efficient. So if you’re looking for upper-class performance and can accept mid-range pricing, you’ll find a very solid solution in these fans. Especially as case fans or on the air cooler, these fans are extremely strong.

Cooler Master Mobius 120 Gold Award

Cooler Master Mobius 120

Workmanship
Features
Performance
Noise level

90/100

The Cooler Master Mobius 120 is an extremely quiet and efficient fan in the mid-range price range that performs very efficiently, especially as a case fan and on air coolers.

Cooler Master Mobius 120 price comparison


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Simon Lüthje

I am co-founder of this blog and am very interested in everything that has to do with technology, but I also like to play games. I was born in Hamburg, but now I live in Bad Segeberg.

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Cooler Master is definitely a very well-known brand in the computer universe. But when questions about the best fans come up, the recommendations very often end up with Noctua, Arctic, be quiet! or Corsair. I too have to admit that I had paid little attention to Cooler Master when it came to fans. Eventually, however, … (Weiterlesen...)

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