Enterprise-Grade Universal Thunderbolt™ 4 Docking Experience. ThinkPad Universal Thunderbolt 4 Dock delivers reliable and consistent industry leading video, data and power connectivity in a Windows based mixed-PC environment. Maximize Your Productivity. Expand your horizon with versatile 8K display support or multiple 4K displays support, silent firmware upgrades, VPro/AMT support and transfer data at lightning fast 40Gbps. The ThinkPad Universal Thunderbolt 4 is future-proof and fully loaded to take your productivity, efficiency and creativity to the peak.