Only 2 holes to put screw in the fan

timtop

Distinguished
Sep 3, 2014
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Why is it my back fan only has 2 holes for the screw?
here is the pic below:
4lfwnt.jpg

can I install a 80mm or 120mm fan in at the back?
 
Solution
You can install a 120mm fan (I think) but screw in the two screws tight or they have a slight chance of falling off:) Perhaps the manufacturer decided to save a cent and not punch out two more holes:)