TO CHANGE THE FAN OF ORIGIN DNS-320 (board we see everywhere), it pays to be handy:
Using viserie, can not be aimed in one direction, the bad, you have to punch larger holes on the other side of the fan, or find more .. I am out of the drill. . (impossible to use the rubber mounting of the fan)
Then, change the connectors to fit like original fan (yellow replaces the blank).
IF the use you made