2x USB 3.0, 3x USB 2.0, 1x VGA, 2x DVI D, 2x Display Port
1x Serial, 2 x PS/2 Connectors, 1 x Parallel Connector, 1x mouse
1x Keyboard, RJ 45 Ethernet Port, Microphone in, 3.5 millimeter Headphone Jack
Security Cable Slot, Lock/Unlock Switch, easy removal with eject button
240 Watt AC Adapter, See Full Description for Compatible Dell Models