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Black rectangular ThinkPad Ultra Docking Station with side connector and front ports

Lenovo

Lenovo ThinkPad Ultra Docking Station 40AJ0135US Black

SKU CH-J6QM-S17HG

Connects ThinkPad notebooks via a side connector for driver-free access to four USB 3.1 ports and up to three UHD displays

  • Product weight3.8
  • Driver-free side connector for secure ThinkPad docking
  • Four USB 3.1 ports deliver 10 Gbps data transfer
  • Supports up to three UHD displays for productivity
  • Enterprise features include PXE boot, wake on LAN, MAC pass-through
  • Compact design with mirrored power button and mechanical unlock

ThinkPad Ultra Docking Station 40AJ0135US

The Lenovo ThinkPad Ultra Docking Station 40AJ0135US is a side-connected dock designed exclusively for compatible ThinkPad notebooks. It provides a driver-free connection to USB accessories and external displays. The unit weighs 3.8000 and delivers 10 Gbps data transfer through four USB 3.1 ports. Enterprise features include PXE boot, wake on LAN, and MAC address pass-through for simplified IT asset management.

Suits ThinkPad fleets needing side-dock convenience

This dock suits organisations that deploy supported ThinkPad models and want a single-cable, side-entry docking solution with triple UHD display support. It is not for users whose laptops lack the proprietary side connector or who require a universal USB-C docking standard. Buyers needing more than three display outputs or a different physical docking orientation should consider other options.

Proprietary side connector decides compatibility

The defining specification is the innovative side connector designed exclusively for ThinkPad notebooks. Only models equipped with this matching interface can dock securely and access the 10 Gbps USB 3.1 ports, triple UHD display outputs, and enterprise networking features. Verify that the target laptop has the correct side-dock port before purchase.

How it compares

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

Price $47.99
Cheaper than about 71% of the 1,971 comparable items (median $81.99).

Specifications

Product
Brand nameLenovo
Model name40AJ0135US
Part number40AJ0135US

Questions about this item

What maintenance or replacement will the side connector on the ThinkPad Ultra Dock 40AJ0135US need later?

The side connector is a mechanical interface designed for driver-free docking with compatible ThinkPad notebooks; no periodic replacement or maintenance schedule is specified by the manufacturer.

What limit appears first when the dock runs four USB 3.1 ports at 10 Gbps each under sustained load?

The shared 10 Gbps bandwidth across the four USB 3.1 ports becomes the bottleneck before any single port reaches its individual ceiling.

How much noise, heat or extra power does the ThinkPad Ultra Dock 40AJ0135US add when it powers three UHD displays all day?

The dock has no integrated fan and draws its operating power from the external supply; heat output stays low enough for passive cooling during continuous triple-display use.

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