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Rectangular black docking station with multiple ports and slim power adapter

Lenovo

Lenovo ThinkPad Ultra Docking Station 40AJ0135US 135W

SKU CH-DR5H-MQA4B

Connects compatible ThinkPad laptops to three monitors, Gigabit Ethernet, four USB 3.1 Gen2 ports, two USB-C ports, HDMI, DisplayPort, VGA and audio with a 135W adapter included

  • Included monitorNot included
  • Product typeBusiness Desktops & Workstations
  • Product weight3
  • Connect three external monitors via two DisplayPort 1.4 and one HDMI 2.0 outputs
  • Charge laptop and peripherals with included 135W Slim Tip AC adapter
  • Transfer data at 10Gbps through four USB 3.1 Gen2 and two USB-C ports
  • Secure dock and laptop using two included locking keys and optional master key lock
  • Reliable wired networking with 10/100/1000 Gigabit Ethernet and Wake-On LAN support

135W Ultra Dock for ThinkPad

This Lenovo ThinkPad Ultra Docking Station (40AJ0135US) delivers a 135W slim-tip power adapter and a mechanical side connector for compatible ThinkPad models. It adds 4x USB 3.1 Gen2 ports at 10Gbps, 2x USB-C ports at 10Gbps with 5V 3A power, 10/100/1000 Gigabit Ethernet, 2x DisplayPort 1.4, 1x HDMI 2.0, 1x VGA and a stereo/mic combo jack. The package includes two locking keys and a setup poster. Intel vPro, PXE Boot, Wake-On LAN and MAC address pass-through are supported.

Suits ThinkPad owners needing three external

Designed for ThinkPad A485, L480, L580, P52s, T480, T480s, T580, X1 Carbon Gen 6 and X280 users who want a single-cable desk setup with triple-display output and wired networking. Not for laptops lacking the proprietary mechanical dock connector, buyers who need more than two USB-C ports, or anyone requiring a dock that powers non-Lenovo devices via USB-C Power Delivery.

Mechanical side-connector compatibility

The dock connects through Lenovo's proprietary rectangular side dock connector and 135W slim-tip power input. Verify that your specific ThinkPad model appears in the supported list before purchase.

How it compares

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

Price $48.99
Cheaper than about 70% of the 1,971 comparable items (median $81.99).

Specifications

Product
Brand nameLenovo
Product typeBusiness Desktops & Workstations
In the box
Included monitorNot included

Questions about this item

What comes in the retail box and what must I buy separately?

The box contains the Ultra Dock, a 135W Slim-tip AC adapter with a two-pin power cord, two locking keys and a setup poster. A monitor and any video cables are not included.

Which ThinkPad models does the 40AJ0135US support?

It works with ThinkPad A485, L480, L580, P52s, T480, T480s, T580, X1 Carbon 20Kg and 20Kh, and X280.

How many external displays can I run from the dock’s 2x DisplayPort 1.4 and 1x HDMI 2.0 ports?

The dock allows a three-monitor hook-up using its two DisplayPort 1.4 outputs and one HDMI 2.0 output.

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