The Genuine HP Thunderbolt Dock G4 is a high-quality docking station designed specifically for HP laptops. It features 150W AC/AD power supply and passive cooling for optimal performance. The dock is compatible with 13-inch and 14-inch laptops and comes in a sleek black color. Made of rigid plastic, this docking station provides a reliable and secure connection for your laptop. With Thunderbolt 1 port connectivity, this unit offers a seamless expansion of your laptop's capabilities.