Lenovo Thunderbolt Dock ThinkPad 40B00300DE – 4-port USB-C with Power Delivery

The Lenovo Thunderbolt Dock ThinkPad 40B00300DE – 4-port USB-C with Power Delivery is a compact docking solution that expands connectivity for ThinkPad and other USB-C/Thunderbolt-compatible laptops. It provides four USB-C ports with Power Delivery support, enabling connection of peripherals, external displays, and charging through a single hub. The dock is designed to reduce cable clutter and simplify transitions between mobile and desktop workstations while maintaining a small footprint suitable for office desks and home setups.

Advantages

This dock consolidates multiple connections into a single, compact unit, allowing users to attach monitors, external storage, input devices and power without repeated cable swapping. The inclusion of Power Delivery means compatible laptops can charge directly through the dock while connected to peripherals. Its Thunderbolt/USB-C compatibility ensures high-bandwidth data transfer for external drives and fast display output when paired with supported devices. The small physical size and simple connection workflow make it practical for both fixed desks and portable work environments.

Suitable for

• Office workers who need to connect multiple peripherals and monitors quickly
• Remote and hybrid professionals using ThinkPad or USB-C/Thunderbolt laptops
• Home office setups that require a tidy, compact docking solution
• Users who frequently move between locations and need one-cable docking

Key specifications

• Interface: Thunderbolt / USB-C compatible ports (four USB-C ports)
• Power Delivery: Supports charging of compatible laptops via USB-C
• Ports for peripherals: Multiple USB-C ports for data and display connection
• Form factor: Compact, desk-friendly design
• Compatibility: Designed for ThinkPad and other USB-C/Thunderbolt-capable laptops

How to use

Connect the dock to your laptop using the primary USB-C/Thunderbolt cable supplied with the device or an equivalent compatible cable. Once connected, attach monitors, external storage, keyboard, mouse and any other USB-C peripherals to the available ports. If your laptop supports Power Delivery over USB-C, it will charge through the dock while connected. Configure display settings and peripheral preferences from your operating system as needed to arrange monitors and set input devices.

Recommendations

Use high-quality USB-C/Thunderbolt cables rated for data and power to ensure stable charging and display performance. Verify your laptop’s USB-C port supports Power Delivery and Thunderbolt or USB-C alternate modes for full functionality. Place the dock on a stable surface with sufficient ventilation and avoid obstructing port access for routine connections.