Norco 2U Rack Mount Server Chassis - Black RPC-230 Case Type: 2U Rack mount M/B Type: Micro ATX(9.6 x 9.6 inch) Drive Bays: 1x 5.25", 4x 3.5" External drive bays Front I/O Panel: 1x Front USB Port Switch: 1x Power ON/OFF, 1x System reset Indicator: 1x Power ON/OFF, 1x HDD, 2x Network Cooling System: 2x 80mm middle fans Power Supply: Optional Standard ATX power supply