Have these fans bought because my Revoltec were far too loud. Is virtually inaudible. I have been with the ear next to it that I hear what. The fan has to which it is applied to a decoupling Screwless fastening system and a rubber frame on both sides of the chassis. Installation is super easy. Simply tie holder side mount and insert plastic pins, ready. Top product that lives up to its name once again all the glory! I was so convinced that I have already ordered a second.
