FAQ: I've got 2 adapter cables with the cooler. What's the difference between these cables?
FAQ: I've got 2 adapter cables with the cooler. What's the difference between these cables?
The Low-Noise-Adapter (L.N.A.) and Ultra-Low-Noise-Adapter (U.L.N.A.) reduce the speed of the fan to 1300 / 1000 rpm:
![Vibration Compensators Installation](https://noctua.at/pub/media/wysiwyg/images/faqs/nh_u9b_lna_ulna.gif)
![Vibration Compensators Installation](https://noctua.at/pub/media/wysiwyg/images/faqs/nh_u9b_lna_ulna.gif)
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