Mean Well LRS-350-24 Quiet Fan Cover 92mm
thingiverse
I designed a custom cover for my Mean Well LRS-350 power supply, but the stock fan was too loud and I couldn't find a quiet enough 60mm replacement. The compact PSU case wouldn't accommodate a larger fan, so I mounted the new Be-Quiet Pure Wings 2 92mm fan outside the casing, which adds about 28mm to its height with the fan grille in place. Although this fan is slightly overpowered and produces more CFM than needed, it runs extremely quietly and keeps the PSU cool. Installation requires M3-5mm screws. I selected a pre-existing fan grille from thingiverse at https://www.thingiverse.com/thing:2802474 Update 6-29-2020: I added a version with screw terminal marks.
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