MB Form Factor: ATX (12” x 9.6”), System Security: Intrusion Switch (Option), Key Lock on Front Door, Front Control: 1 x Power On/Off, 1 x System Reset, 2 x USB2.0/USB3.0 (Option), PSU Form Factor: -PS/2 single, -1+1 CRPS Redundant (*Option: 1200W 1+1 2U CRPS module with PSU bracket), Warranty: 02 Years Limited, RM42300H02.