Model 604al-ca type atx case motherboard micro atx & extended atx (up to 12"*9.6")(p4 ready) power supply (optional) 400w cul p/s with 12cm fan ( 20+4 pin socket 775 ready) 5.25" drive bays 4 3.5" drive bays 1 3.5" hidden 2 expansion slots 7 side ope