Genuine Dell PR03X E/Port Replicator for Dell E-Series Latitude and Precision Notebooks. Identical Dell Part Numbers are: CP103, XX066, T308D. E/Port Information: When you use your notebook as your main PC, both on the road and at your desk, the E/Port Replicator eliminates the need to reconnect cables and peripherals each time you return to your desk! Simply connect your notebook to the E/Port and have immediate access to your expansion ports - VGA, DVI, Parallel, Serial, Headphones, USB 2.0 (x5), Phone, Ethernet, and E/Bay! This unit is compatible with E/Monitor and E/View Notebook stands. E/Port Specifications: Device Type: Advanced Port Replicator; Compliant Standards: IEEE 802.3ab; Notebook Connector Required: 1 x Docking connector; Ports: 1 Serial, 1 Parallel, 5 USB 2.0, 1 VGA, 1 DVI, 1 20-pin DisplayPort, 1 RJ-45 Ethernet, 1 Audio Line-out, 1 Microphone-In, 1 Dual e-Sata/USB port, 1 E/Bay connector; Networking: Ethernet 10/100/1000 Mbps; Security: Latch Cable Lock Ready; Power Input: 19.5V, 6.7/10.8