The vnetilateur running smoothly (no worries connected to the power supply) small black box that allows you to adjust the speed, it is very quiet even at max, and very easy mounting system. But regret that I have for this fan is its power 1000 rpm is little done, I feel some air to evacuate from my camera, so I'll take over another fan because I n ' not really felt any difference temperature level (graphics card or processor) so I'll take a more powerful noctua