Enterprise-Grade Universal Thunderboltâ„¢ 4 Docking Experience: The ThinkPad Universal Thunderbolt 4 Dock delivers reliable and consistent industry leading video, data and power connectivity in a Windows based mixed-PC environment. ; Maximise Your Productivity: Expand your horizon with versatile 8K display support or multiple 4K display support, silent firmware upgrades, VPro/AMT support and transfer data at lightning fast 40 Gbps. ; The ThinkPad Universal Thunderbolt 4 is future-proof and fully loaded to take your productivity, efficiency and creativity to the peak. Part Number: 40B00135UK