HP Ultra-light Docking Stations: Designed for use with 12.5-inch diagonal HP EliteBook Notebook and Tablet PCs, these docking stations provide port replication to even the smallest and lightest HP Business Notebooks. - USB ports for instant connection to your USB peripherals. - DisplayPort, DVI (select models), and VGA for legacy and future compatibility with your choice of video devices. - Ethernet/LAN port so you can stay online. - Monitor stand port for adding a monitor stand and external display for more comfortable viewing. - eSATA with throughput rates of up to 3 Gbps to transfer large files quickly and efficiently.