Sure when you test it in a studio/lab you can classify it as slightly noisy. In the real-world, the dBs this pumps out are so low that you can classify it as negligible, in other words you don't hear it, aka dead silent. Sure you may hear it roaring up when you're running Metro 2020, but even at that point you'll be listening to the TV, music, or your GF nag on about something.