Marmo

its enough by far. Your system probably pulls 400 max 450watts at the wall.

Hi I ordered a be quiet system power 9 in hope the fan would be silent... Sike! The fan was HORRIBLE and some shity chinese brand. I immediately opened the PSU and swapped it with a proper 'Silent Wings 2' fan. (soldered on) Anyways, now after I start the PC or wake it from sleep, the PSU fan goes to 100% for literally 5 minutes. Only after 5 minutes the fan slows down and operates like normal (and now super quiet due to the fan swap... but the 5 minutes are horrid...) Can anyone help me out here? I'm super weirded out and wish it would work normal... I als