Norco 1U Rack Mount Server Chassis - Black RPC-170 Case Type: 1U Rack mount M/B Type: EEB(12x13 inch), CEB(12x10.5 inch), ATX(12x9.6 inch), Micro ATX(9.6 x 9.6 inch) Drive Bays: 1x 5.25", 2x 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: 5x 40mm middle fans Power Supply: Optional Standard 1U power supply