Installation, Testing and Comparison:

Installation is made very easy by the addition of the included silicone grommets, just pull them through the holes and your done. Noctua does not include fan grills with their fans, why I don't know, every fan should have them included in my opinion.

If you've read any of my reviews you'll know that I want my system to be as silent as possible, and with the addition of Noctua fans and other accessories this is possible. The Noctua fans are the most quietest fans I have ever owned or reviewed, and I am extremely happy with them and their lack of noise.

Running the fan with the U.L.N.A adapter the fan runs at 800RPM, and is silent, you have to put your ear up to it to actually hear it spinning. With the L.N.A. Adapter the fan will run at 1300RPMs, still very quiet, just about a whisper actually, and running the fan at its full speed of 1800RPMs, it is still very quiet compared to others that run the same speed and even lower speeds.

At the moment in my system I have three case fans, two are Noctua and one of a Coolink, all are silent running, this combination makes my system virtually silent, the only noise I hear now is the low hum of the pump on my Corsair Nautilus now. I even swapped the stock fan for a Noctua in the Nautilus, improving performance and making it a lot quieter.

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