Model Name¡G TM 163 Case Type¡G Tower Case M/B Supported¡G Micro ATX/Flex ATX Drive Bays 5.25¡¨¡G 2 Drives¡]Exposed¡^ 3.5¡¨¡G 3 Drives¡]2 x Exposed , 1 x Hidden¡^ Expansion Slots¡G 4 x PCI slots S.P.S.¡G P4-ATX Power Supply Option Front I/O Port¡G USB x 2 , MIC x 1 , SPK x 1 , IEEE1394 x 1 Cooling Fan¡G 1 x 80mm¡]Front¡^, 1 x 80/90mm¡]Rear¡^ Air Guide¡G 80mm x 1¡]Intel ver.1.1¡^ PCI vent On side panel