Docking station Lenovo ThinkPad USB4 Smart Dock 5500 — USB4 host, 4x USB-A Gen2, HDMI, Gigabit Ethernet, 135W adapter, Eclipse Black

The Lenovo ThinkPad USB4 Smart Dock 5500 is a wired docking station designed to expand connectivity and power delivery for compatible laptops. Featuring a USB4 host interface with up to 40 Gbps bandwidth and a bundled 135W AC adapter, the dock supports USB Power Delivery to supply up to 100 W to a connected notebook. The compact Eclipse Black enclosure (218 × 80 × 31.5 mm) integrates four USB 3.2 Gen2 Type‑A ports, one HDMI output, and one Gigabit Ethernet (RJ‑45) port, and supports digital video output up to 3840×2160 resolution.

Advantages

The USB4 host connection provides higher bandwidth than previous USB‑C generations, enabling greater display and peripheral performance while maintaining backward compatibility with USB devices. The included 135W adapter and USB Power Delivery support enable simultaneous docking and charging of a laptop up to 100 W. The dock’s wired design and Gigabit Ethernet port provide reliable network connectivity, and the four USB 3.2 Gen2 Type‑A ports deliver fast wired data transfer for external drives, peripherals and accessories. Compact dimensions and a cable lock slot allow convenient placement in shared workspaces.

Suitable for

• Professionals who need single-cable docking and laptop charging at the desk
• Users who require reliable wired Ethernet for video calls, large file transfers or stable network access
• Workstations requiring multiple high‑speed USB‑A peripherals such as external drives, keyboards and mice
• Setups with a single 4K monitor or multi‑monitor configurations that leverage USB4 bandwidth

Key specifications

• Host interface: USB4 (up to 40 Gbps)
• Power: bundled 135W AC adapter; USB Power Delivery up to 100 W to host
• Video output: 1 × HDMI, supports up to 3840×2160 resolution
• USB ports: 4 × USB 3.2 Gen2 Type‑A
• Network: 1 × Gigabit Ethernet (RJ‑45)
• Connectivity: wired
• Dimensions: 218 × 80 × 31.5 mm
• Weight: 0.472 kg
• Colour: Eclipse Black
• Additional: cable lock slot

How to use

Connect the dock to an AC outlet using the included 135W adapter. Use the USB4 upstream cable to connect the dock to a compatible laptop USB4 port. Attach peripherals to the available USB‑A ports, connect an HDMI cable to an external display and plug a network cable into the Gigabit Ethernet port if required. When connected, the dock provides power to the laptop (up to 100 W) and enables access to attached devices and the network through a single upstream connection. Follow your laptop manufacturer’s guidance to enable external display settings if necessary.

Recommendations

For optimal display performance, use certified HDMI cables and confirm your laptop’s USB4 or USB‑C port supports video output and the required power profile. Ensure adequate ventilation around the dock and avoid placing heavy objects on top of the unit. For centralized IT management, use Lenovo Accessories Fleet Manager (LAFM) where available to update firmware and monitor device status.