HP claims 22dB. I saw a blog post that swapped the fan and added a variable resistor to achieve 6dB. The one I got at the office is barely noticeable (it's at m

HP claims 22dB. I saw a blog post that swapped the fan and added a variable resistor to achieve 6dB. The one I got at the office is barely noticeable (it's at my feet). On a home setting a closet would be a good place to hide it and shield any sound from the hard driver or fans.