Making the A4000 silent / A4000 PSU ventilation

[duesi]

Jose wrote:
I think I'll ditch out those metal works on the PSU case for now, never done such a thing... but the rest of the tips are cool, speciall the short CD/DVD Roms, though that implies ditching off my current one.

Any tips on super silent fans ?

verax

Front-view of my PSU:


thats a normal grill from a dead PC PSU  :-)