The Lenovo ThinkPad Ultra Dock (Model 04W3956) is a comprehensive docking station that transforms your ThinkPad laptop into a complete workstation. This docking solution offers extensive connectivity options, including multiple USB ports, DisplayPort outputs, Ethernet connection, and audio jacks for comprehensive peripheral integration. With support for high-resolution displays up to 4K resolution, the docking station enables seamless multi-monitor setups for increased productivity. The compact design measures approximately 20 cm in width, 8 cm in depth, and 3 cm in height, weighing around 450 g, making it portable for both office and remote work. Made from durable materials typical of the ThinkPad series, this dock features reliable build quality and stable performance characteristics. The integrated Power Delivery capability supports laptop charging while connected, eliminating the need for separate power supplies. Thermal management ensures consistent operation during prolonged use. Compatibility includes several ThinkPad models across various generations, with a specific model check recommended. The docking mechanism provides secure laptop attachment with one-cable convenience for quick connection changes. This workstation solution is designed for business and professional users who require an efficient desk setup with minimal cable clutter. The matte black finish complements the ThinkPad aesthetic while maintaining professional appearance standards. The operating temperature range typically lies between 5 °C and 35 °C, suitable for standard office environments. Cable management features help maintain organized workspace configurations. The product represents Lenovo's ongoing development of docking solutions for mobile professionals seeking reliable connectivity expansion.