A speed band like an XXL braces, paired with a lot of pressure and throughput that does not break away even on the thickest radiator – the Alphacool Rise Aurora 140 mm thus recommends itself as a real radiator fan. The performance is more than restrained, it’s downright brute. Today’s test will have to clarify whether and with how much additional sound pressure this might have to be bought, but I can already spoil that there are hardly any comparable offers for the generation of a cold air front outside of industrial fans.
No, the really quietest fan in all the tests is of course not with such a design, but it is anything but loud despite a lot of torque. The EKL Wing Boost 3 tested last time, on the other hand, is only a lukewarm breeze and an outright marketing lie, because in comparison, the measured values and data sheet have been in agreement for the first time in a long time. This would also make the manufacturer’s orientation clear: static pressure until the doctor comes and really high throughput, whereby everything can be well regulated over a very wide speed range. Fan stop, quiet or blizzard, you all somehow included and can choose freely.
The classic sleeve bearing is used, which is not necessarily a disadvantage, because the OEM has decades of experience in this field, but it could have been more beautiful. The frame is simple, very torsion-resistant and houses together with the hub a total of 24 ARGB LEDs, which are digitally controllable individually. The use of translucent plastics results in a very uniform light pattern without individual hotspots for the LEDs. The impellers follow the current trend and rely on specially shaped tear-off edges
The decoupling with the attached rubber applications is neatly solved, especially since they do not twist with the screw tightened. The gap dimensions and surface finish are very good. The power consumption of 6.6 watts (without LED) at full speed is quite steep, but that’s the toll you have to pay for a high performance. First of all, the key data for better comparability with the later measurement results:
| Form factor | 140 mm |
| Starch | 25 mm |
| PWM | Yes, 4-pin connector, 40 cm cable |
| RGB | 24 ARGB LEDs (frame 16 and hub 8) |
| Decoupled | Yes |
| Color Frame | Black |
| Accent color | None |
| Color rotor | Translucent |
| Weight in g | 223 |
| min. speed | 0 ( Fan stop) |
| max. speed | 2000 (+/- 10%) |
| Volume flow m3/h | 154.1 |
| Flow rate CFM | 90.69 |
| static pressure mmH2O | 2.2 |
| Sound pressure dBA | 38.4 |
| Life Time hrs | 30,000 |
On the next page you will first see how and what we test and why. Understanding the details is extremely important in order to be able to objectively classify the results later. The differences between many models are more in the details and THE best fan for all situations can hardly exist. There is a certain optimum in every situation and of course there are also good all-rounders. But they usually come at a price. But if you plan to use 60mm radiators for example, you might save money by choosing the best model for your application, which might not perform so well as a case fan. And vise versa, of course.
For all curious people here again an excerpt of the data sheet:
DE_1020782_Alphacool_Rise_140mm_Luefter_Datenblatt
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