The ThinkPad Thunderbolt 3 WorkStation Dock is a pioneering docking solution powered by Intel Thunderbolt technology and is designed exclusively for ThinkPad Mobile Workstations, with dual power adapter design, delivering power to charge Mobile WorkStation and a full range of productivity and connectivity peripherals. Specifications Product Type: Port replicator Docking Interface: Thunderbolt 3 Video Interfaces: 2 x HDMI, 2 x DP, Thunderbolt Dimensions (WxDxH): 22 cm x 8 cm x 3 cm Localisation: English / United Kingdom Networking: Gigabit Ethernet Power: Power adapter 135 Watt