I know.Deer87 wrote:It's fanless.
I own three of them (with the Seasonic badge) and I personally mount them indifferently with the "top" grill either facing down or facing up.
Broadly speaking, just think: what about those cases with side mounted PSU (like the Silverstone either Fortress or Raven, or even lots of Lian-Li)? Or with top mounted PSU but against solid panel (like the Antec Solo)? They cannot use those PSU?
I understand that you preferred to comply to manufacturer recommendation, nonetheless I think a bit differently.