HP A9B77UT Docking Station W 65Watt Ac Adapter For Elitebook 2560P 2570P Notebook Pc Compatibility: HP 2570p Docking Station Ports Spec: 1 x eSATA 4 USB (3 USB 3.0, 1 USB 2.0 powered) 1 x DisplayPort 1.2 1 x VGA 2 Audio (Audio in, audio out (does not support mic out)) 1 x LAN/Ethernet jack