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