Quiet, handsome and reasonably priced.

The fans have stayed longer and hang with me on a potentiometer fan controller, which I but on 100% (Drehgeschw.750 RPM, 15 dB) can run. At 50%, therefore, changes in the almost inaudible "noise level" virtually nothing. Only the great lighting becomes somewhat muted. While the air flow rate (77.13 m³ / h) is less than in fast drehenen fans, but enough for my gaming PC completely.

I've been using a Cooler Master case ATX Midi oN CM Scout with two of these fans (front and top) and have overclocked the 4-core processor noticeably. The system with additional components Silent harmonizes super and almost inaudibly with these two fans - and looks even more class thanks to the many LEDs and the mirror coating on the fan blades.

The accessories are included with normal standard (cable / screws).

The price-performance ratio is absolutely in order.

The fans there are, for example, also in red: Enermax TBApollish red fan (140x140x25), but were there a bit more expensive.
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Conclusion:

+ Barely audible
+ Great look
+ Good value for money

- Mediocre volume throughput