The HP 2570p Docking Station is designed exclusively for 12.5-inch diagonal HP EliteBook Notebook PCs, and delivers port replication for even the smallest and lightest HP Business Notebooks. Maintain the connectivity and comfort of your laptop at a fixed station. Simply insert your laptop into the dock until it clicks and you're ready to go - without the hassle of rerouting cables or reconnecting the devices at your desk. USB 2.0 and 3.0 ports enable instant connection to your USB peripherals. USB 3.0 reduces the time required for data transmission (vs. USB 2.0), is backward compatible with USB 2.0, and is bi-directional. DisplayPort and VGA ports deliver legacy and future compatibility with your choice of video devices and an Ethernet/LAN port keeps you online. Ports & interfaces USB 2.0 ports quantity: 1 USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity: 3 VGA (D-Sub) ports quantity: 1 DisplayPorts quantity: 1 Microphone in: Yes Headphone outputs: 1 DC-in jack: Yes eSATA ports quantity: 1 Network Ethernet LAN: Yes Ethernet LAN (RJ-45) ports: 1 Performance Card reader integrated: No Product colour: Black Brand compatibility: HP Compatibility: EliteBook 2100, 21500, 8400, ProBook 2500 Power AC input voltage: 100-240 V AC input frequency: 50 - 60 Hz Power consumption (typical): 65 W Packaging content AC adapter included: Yes Quick start guide: Yes