Silent, exudes quality. Top it is the accessories that come with! So I was able to reuse the LNA to make my PC completely silent .... just for that I am very pleased with my purchase! If not served to replace the fan with a D-Link NAS, noisy. Changes life ... even though unfortunately the management of the fan by D-Link is the wrong base ... (starting / stopping of mismanaged fan ...). But hey that's another debate. To see in duration if the fan is silent when it has turned a bit and it will foul a little ...