MarcH1644 years ago000Do these units really make no operating noise because they have no fan, or is there still audible cooling noise or similar?Show in original language (German)themedu5a4 years ago000Under normal use, even if the enclosure gets a little warmer, absolutely quietShow in original language (German)CommentHellomafriend4 years ago000Yes, there are still audible cooling noises.Show in original language (German)Comment