Originally posted by: BlueWeasel
I had no problems squeezing a 92mm fan into the front space, but a 120mm would likely take some modding.
I've got 2x3.5" hard drives and I placed them in the 2 lowest bays in the lower tray. I was able to take a CM 120mm UV fan and it fits perfectly between the upper HD and the lip at the top of the tray. I didn't even need anything to hold it in place.