bernie_11

Distinguished
Oct 20, 2010
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18,510
Hello,
my old power supp;y has fan in back, the new one has fan on side facing the cpu does it make a differencecan i use this one or send it back for one that blows out te back.
 
bernie, the current trend is toward side mounted fans, because you can use a larger fan. A larger fan, moving the same amount of air as a smaller fan, rotates more slowly, making it more quiet.

As Johnny said, regardless of rotation, the fan will exhaust air out the back of the PSU.