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Black rectangular USB-C docking station with 90W power adapter, matte finish, front ports visible

Lenovo

Lenovo ThinkPad USB-C Dock Gen 2 40AS0090US 90W power adapter

SKU CH-5XXD-GR4XJ

Connects a notebook to three external monitors, five USB ports, gigabit Ethernet and audio through one USB-C cable while delivering 90 W of power

  • Port detailsAudio Ports: 1x Combo Audio Jack Charging Port: DC-IN USB Po
  • Product colorBlack
  • Key featuresOne connection, no limitations:Think of all the time you'd s
  • Single USB-C cable connects five USB peripherals, dual DisplayPort and HDMI monitors, and gigabit Ethernet
  • 90 W power adapter charges the notebook while driving up to three external displays
  • 10 Gbps USB 3.1 ports move large files quickly alongside two USB 2.0 ports for legacy gear
  • Compact 6.7 × 3.1 × 1.2 inch dock adds a combo audio jack and Kensington security slot
  • Includes 90 W slim-tip AC adapter, power cord and USB-C cable for immediate setup

One-cable universal docking for ThinkPad notebooks

The ThinkPad USB-C Dock Gen 2 connects a compatible notebook to external displays, wired networking and USB peripherals through a single USB-C cable. It is designed for users who need a compact desktop expansion hub with integrated notebook charging. The dock supports up to three external monitors depending on the host system's video output capability.

90 W power adapter with 60 W host charging

A 90 W AC power adapter is included; the dock delivers up to 60 W to the connected notebook while powering its own ports. The unit measures 6.7 inches wide, 3.1 inches deep and 1.2 inches high, weighing approximately 11.46 oz. A Kensington security slot is provided for physical locking in shared or mobile environments.

Bundled 90 W adapter, power cord and USB-C cable

The package supplies the dock, a 90 W AC power adapter with slim tip, a power cord and a USB-C cable so the station is ready to operate immediately. Compatibility is listed for specific ThinkPad models including T490, T590, X280, T480, X1 Carbon 6th, X270 and T480s; other systems may not support full video or charging features.

How it compares

Measured against everything we stock in USB-C & Laptop Docking Stations, at today’s prices. Recalculated every night.

Price $37.99
Cheaper than about 82% of the 1,971 comparable items (median $81.99).

Specifications

Product
Brand nameLenovo
Model name40AS0090US
Product colorBlack
Ports & slots
Port detailsAudio Ports: 1x Combo Audio Jack
Charging Port: DC-IN
USB Ports: 3x USB3.1 2x USB2.0
Video Ports: 2x Display Port 1x HDMI Port
Ethernet: 1x Gigabit Ethernet

Questions about this item

How do I connect the ThinkPad USB-C Dock Gen 2 to my notebook and what step is often missed?

Connect the included USB-C cable from the dock to your notebook's USB-C port, then plug the 90 W AC adapter into the dock's DC-IN jack and a wall outlet; the step often missed is ensuring the notebook's USB-C port supports video and charging so the dock can drive displays and deliver up to 60 W.

What maintenance or replacement will the ThinkPad USB-C Dock Gen 2 need over time?

The dock itself has no user-serviceable parts; the 90 W AC adapter and USB-C cable are the only items that may wear out and need replacement after extended use.

What is the first limit I will hit when running three external monitors continuously on the ThinkPad USB-C Dock Gen 2?

The dock supports a maximum of three external monitors, but the real limit is the host system's video output capability — if your notebook can only drive two streams, the third display will stay dark regardless of the dock's 1×4K@60 Hz or multi-1080p capacity.

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