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Black rectangular docking station with front and rear ports visible

Lenovo

Lenovo 40A20090US ThinkPad Ultra Dock 90W docking station

SKU CH-Q129-FFRHH MPN 40A20090US

90 W dock adds three USB 2.0, three USB 3.0, Gigabit Ethernet, two DisplayPort 1.2, DVI-D, HDMI 1.4, VGA and combo audio for compatible ThinkPad models

  • ColorBlack
  • CompatibilityCompatible Thinkpads: L540, T440, L560, P50s, T440, T440p, T
  • Dimension13.58" x 2.19" x 6.40"
  • Weight2.03 lbs.
  • Features3x USB 2.0, one supports always-on USB charging 3x USB 3.0 1
  • Option90W
  • Connect up to three external displays via DisplayPort, DVI-D, HDMI and VGA outputs
  • Charge compatible ThinkPad models with the included 90W AC adapter
  • Transfer data through three USB 3.0 and three USB 2.0 ports, one supporting always-on charging
  • Add wired network access with Gigabit Ethernet that supports enterprise manageability
  • Secure notebook and dock together using the integrated security lock slot

Lenovo ThinkPad Ultra Dock 90W

The Lenovo 40A20090US ThinkPad Ultra Dock 90W is a black docking station for compatible ThinkPad laptops. It provides expanded connectivity through USB, video, audio and Ethernet ports. The unit includes a 90W AC adapter to charge the connected notebook. It is designed for users with supported ThinkPad models requiring a single-cable desktop setup.

Sustained desktop connectivity

The dock delivers a stable 10/1000 Gigabit Ethernet link with enterprise manageability support for continuous network access. Video outputs include two DisplayPort 1.2, one HDMI 1.4, one DVI-D and one VGA port for multi-monitor configurations. Three USB 3.0 and three USB 2.0 ports maintain peripheral bandwidth during long sessions. One USB 2.0 port supports always-on charging for devices while the laptop is undocked.

Compatibility and power checks

Verify your ThinkPad model appears in the supported list covering L440, L450, L460, L540, L560, P50s, T440, T440p, T440s, T450, T450s, T460, T460p, T460s, T540p, T550s, T560, W540, W550, X240, X250 and X260. Do not use this dock if your system requires a 170W AC adapter. Ensure your desk space accommodates the 13.58 x 2.19 x 6.40 inch footprint. The security lock slot secures both notebook and dock with a single key.

Highlights

  • Connect up to three external displays via DisplayPort, DVI-D, HDMI and VGA outputs
  • Charge compatible ThinkPad models with the included 90W AC adapter
  • Transfer data through three USB 3.0 and three USB 2.0 ports, one supporting always-on charging
  • Add wired network access with Gigabit Ethernet that supports enterprise manageability
  • Secure notebook and dock together using the integrated security lock slot

Specifications

BrandLenovo
Model40A20090US
ColorBlack
CompatibilityCompatible Thinkpads: L540, T440, L560, P50s, T440, T440p, T460p, T540p, T540p, T550s, T560, T460p, W540, W550, X240, X250, and X260
Compatible DualCore ThinkPad Models with Integrated Graphics: L440, L450, L460, T440, T440s, T450, T450s, T460, T460p, and T460s.
NOT recommended if the system AC adapter is 170W.
Dimension13.58" x 2.19" x 6.40"
Weight2.03 lbs.
Features3x USB 2.0, one supports always-on USB charging
3x USB 3.0
10/1000 Gigabit Ethernet, supports enterprise manageability
2x DisplayPort 1.2
1x DVI-D
1x HDMI 1.4
1x VGA
1x Stereo/Mic Combo Audio Port
Driver-free, perfect video quality
Security Lock conveniently secures both your notebook and dock to your desk with a single key
Physical rear alignment for a perfect dock every time
Smaller desktop footprint vs. Series 3 docking stations
Charges your ThinkPad with an included ThinkPad 90W AC Adapter
Option90W
Shipping weight1.73 kg
Package size381 × 213 × 91 mm

Questions about this item

Does the 90 W Ultra Dock run loud or hot when it powers a ThinkPad all day?

The dock is a passive aluminium unit with no internal fan, so it produces no audible noise and stays cool under continuous 90 W operation.

What must I already own to use this dock with my ThinkPad?

You need a compatible ThinkPad from the L, T, W or X series listed — such as a T440, T460, X250 or W550 — that uses the rectangular side docking connector and ships with a 90 W or smaller AC adapter.

Will my older DVI or VGA monitors work alongside newer DisplayPort screens on this dock?

Yes — the dock provides one DVI-D, one VGA, one HDMI 1.4 and two DisplayPort 1.2 outputs, so legacy and current monitors can be connected simultaneously.

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