Dell E-Port Plus Advanced Port Replicator PR02X with USB 3.0 and 240W Adapter 2 x USB 3.0 - 3 x USB 2.0, 1 x VGA, 2 x DVI-D, 2 x Display Port 1 x Serial, 2 x PS/2 Connectors, 1 x Parallel Connector Includes 240W power supply Compatible with select E-Series Dell Laptops Full Compatiblity list in Description