Testing
We’ve yet to come up with a fair testing platform to test a fan with, but we can tell you are human opinions of the noise and airflow.
When you don’t use one of the adaptors the fan is well below the noise level that the human ear can hear from a distance of a meter, and you have to stick your ear lobes dangerously close to the spinning blades in order to hear the fan moving. One nice point about the fan is that as it rotates at a meagre 1200 RPM maximum if you finger happens across the path of one of the fins, it only hurts rather than causing blood to flow (I didn’t enjoy this test). The fan creates a reasonable airflow which will be more than enough for a tower cooler, such as the Coolink Silentator or the epic IFX-14, or a case ventilation mount.
The fan adaptors seem wholly pointless in my view. The fan is silent at full pelt, and the adaptors don’t noticeably reduce the output volume but do lower the airflow and static pressure by a fair degree. Baring in mind that 20 dBA which full speed is slightly below (19.8 dBA) is the volume of rustling leaves while the lowest volume, 12.6 dBA, is just above the volume of a human breathing. Considering that the fan is inside a case, probably under your desk, you won’t be able to hear anything coming from the fan at all.
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