Lenovo 40B00300US ThinkPad Thunderbolt 4 Workstation Dock

The Lenovo ThinkPad Thunderbolt 4 Workstation Dock (40B00300US) is built around the Thunderbolt 4 specification's full 40 Gbps bandwidth envelope, and Lenovo's implementation pushes that spec to its practical ceiling. The 230W power delivery figure is the headline number here — it's enough to power and charge Lenovo's own P-series mobile workstations under sustained compute loads, meaning you genuinely replace the barrel-plug power adapter with a single cable. Display support tops out at four 4K monitors at 60Hz simultaneously, or a single 8K panel at 30Hz for content review work. The five USB ports, single HDMI, Ethernet, and DisplayPort outputs cover the full range of a professional peripherals ecosystem without requiring additional hubs.

This dock is purpose-engineered for enterprise ThinkPad deployments. The vPro/AMT passthrough allows IT administrators to remotely manage systems even when they're docked and lid-closed — a feature that simply doesn't exist on consumer-grade docking solutions. Silent firmware updates, managed through Lenovo's Dock Manager, mean the dock can be maintained across a fleet without user involvement. For individual professionals, the practical value is in hot-desk simplicity: one Thunderbolt 4 cable connects everything — power, displays, peripherals, network — in a single plug action. The physical footprint is reasonable at 10.7" × 7.7" × 3.5", and the dock sits stably on a desk or can be positioned vertically.