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Lenovo 40B00300US ThinkPad Thunderbolt 4 Workstation Dock
Lenovo 40B00300US ThinkPad Thunderbolt 4 Workstation Dock
Lenovo 40B00300US ThinkPad Thunderbolt 4 Workstation Dock
Lenovo 40B00300US ThinkPad Thunderbolt 4 Workstation Dock
Lenovo 40B00300US ThinkPad Thunderbolt 4 Workstation Dock
Lenovo 40B00300US ThinkPad Thunderbolt 4 Workstation Dock
Lenovo

Lenovo 40B00300US ThinkPad Thunderbolt 4 Workstation Dock

★★★★★3.9 (120 reviews)
Thunderbolt 4

One Thunderbolt 4 cable delivers 230W of power, 40 Gbps of data, and up to four 4K displays to transform any ThinkPad into a full workstation.

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Overview

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.

Key Features

Expand your horizon with versatile display

Efficiency and creativity to the peak

Specifications

Brand
Lenovo
Model
40B00300US
Series
ThinkPad
Connectivity
Thunderbolt 4
Data Transfer Rate
Up to 40 Gbps
Power Delivery
Up to 230W
Display Support
Single 8K@30Hz or up to 4x 4K@60Hz
USB Ports
5 total
HDMI Ports
1
Ethernet
1 port
Other Ports
DisplayPort, USB Type-C, Thunderbolt
Security
vPro/AMT passthrough
Firmware
Silent automatic upgrades
Dimensions
10.7" L × 7.7" W × 3.5" H
Weight
1 lb (dock only)
Color
Black/Red
Wattage
230W

Pros & Cons

👍 Pros

  • 230W power delivery through a single cable eliminates the need for a separate laptop charger at the desk
  • 40 Gbps Thunderbolt 4 bandwidth supports simultaneous quad 4K@60Hz output without compromising data transfer throughput
  • Silent firmware update capability keeps dock firmware current without workflow interruption
  • vPro/AMT passthrough enables IT remote management through the dock, critical for enterprise fleet deployments
  • Single-cable connection and disconnect makes hot-desking or mobile transitions genuinely fast

👎 Cons

  • Full feature set — particularly vPro passthrough and firmware management — is validated for Lenovo ThinkPad hardware; non-Lenovo users risk partial functionality
  • At 230W the dock requires its own substantial power brick, adding bulk to a desktop setup
  • 8K display support is limited to 30Hz — insufficient for fluid 8K desktop use; practical 8K is best suited for static design review workflows
  • At 1 pound the dock itself is light, but the power brick significantly increases total carry weight if used as a travel dock
  • HDMI is limited to a single port — multi-monitor setups using mixed HDMI/DisplayPort displays require adapters

Frequently Asked Questions

Thunderbolt 4 is an Intel-standardized protocol, so the dock will establish a connection with any Thunderbolt 4-equipped laptop. However, Lenovo engineers and validates this dock specifically for ThinkPad hardware — power delivery behavior, vPro/AMT passthrough, and firmware update compatibility are optimized for Lenovo notebooks. Non-Lenovo users may experience reduced power delivery or limited feature access depending on their system's Thunderbolt implementation.
The dock supports a single 8K display at 30Hz or up to four simultaneous 4K displays at 60Hz. Output ports include one HDMI and DisplayPort connections via Thunderbolt — the specific combination of active displays will depend on your laptop's GPU capabilities and the Thunderbolt bandwidth budget.
Up to 230W of power delivery through the single Thunderbolt 4 cable connection. This is sufficient to charge and sustain high-performance ThinkPad workstation models under load — including models with discrete GPUs — without a separate power adapter.
The Thunderbolt 4 host connection runs at 40 Gbps. Individual USB port speeds depend on the port type — the dock has 5 USB ports total. Thunderbolt 4 inherently supports USB 3.2 Gen 2 speeds (10 Gbps) on USB-A ports, with the Thunderbolt ports themselves capable of full 40 Gbps for compatible devices.
Yes — the dock supports silent firmware upgrades, meaning updates can be deployed automatically through Lenovo's Dock Manager software without requiring manual user steps or system interruptions.

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