IN-WIN Server Chassis IW-PE689 M/B Type: ATX (12" x 9.6"), CEB (12" x 10.5") Case Type: Pedestal Entry Server Chassis External Bay: 4x 5.25"; 1x 3.5"; Internal Bay: 5x 3.5" Power Supply: None, Support PS/2 EPS12V, ERP12V Front I/O Panel: 2x USB2.0 ports; 1x Speaker; 1x Mic; Power On/Off; System Reset