Lenovo ThinkPad USB-C Dock Gen 2 (40AS0090US)

Docks

Here is a closer look at Lenovo ThinkPad USB-C Dock Gen 2 (40AS0090US).

About

A Lenovo dock built on pure hardware DP Alt Mode and MST (no DisplayLink), profiled for Windows fleets with PXE boot and MAC address pass-through, delivering 60W of laptop charging from a 90W adapter.

Specs

HDMI version
2.0
DisplayPort version
1.4
Power Delivery in
90W
PD passthrough to host
60W
Max resolution
3840x2160@60Hz
Requires DisplayLink driver
No

Ports: 2× DisplayPort 1.4, 1× HDMI 2.0, 1× USB-C 10Gbps (host), 2× USB-A 3.1 Gen2, 2× USB-A 2.0, 1× Ethernet and 1× Audio combo 3.5mm

Confirmed with

  • Notebook (generic)

    Apple laptops are incompatible with the Multi-Stream Transport (MST) this dock relies on for extended-desktop mode across its multiple video outputs. Maximum video output is also tied directly to the host's native display bandwidth (HBR3 vs HBR2).

    Source: support.lenovo.com
    Confirmed — caveat
  • Steam Deck

    A user confirms this dock works with the Steam Deck, including driving two DisplayPort displays, but requires switching to Desktop Mode before connecting and letting it initialize before plugging in the USB-C cable.

    Source: www.reddit.com
    Confirmed — caveat
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