Wired Host interface: Thunderbolt 4 Ethernet LAN Enterprise-Grade Universal Thunderbolt4 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.The ThinkPad Universal Thunderbolt4 Dock supports upto 100W PD, Single 8K@30Hz or upto 4 4K@60HZ display support, silent firmware upgrades, vPro/AMT Pass through support, and data transfer rates upto 40 Gbps (depending on host system and peripheral processing capability, file attributes, and other configuration and operating environment factors) Ports & interfaces DC-in jack Yes Head