... RAM-DDR3 (can up to 2G)7. Exposed Ports: 1*RS232, 1*VGA, 1*RJ45, 4*USB, 1*Audio,1*DC ... on function --Optional 11. EU/ AU /US/UK standard power adapter 12.type:All-In-One pc,Fanless Embedded DesignIf you ... .Industrial Computer: Industrial standard design, High Stability and Reliability;with Rs232 serial port for more industrial need;solid state design,fanless design6 ...