Lenovo 40AJ0135US

Overview

The Lenovo 40AJ0135US is the official ThinkPad Ultra Docking Station designed to expand the connectivity options of compatible ThinkPad laptops through a secure side-connector interface. It supports up to three external monitors using two DisplayPort 1.4 outputs, one HDMI 2.0 port, and a VGA connector, making it easier to create a multi-screen workspace. The dock also includes a 135-watt slim-tip power adapter to keep your laptop charged while connected, streamlining your desktop setup.

Key features

• Side-connector mechanical docking provides a stable and quick connection to your ThinkPad without cable clutter.
• Supports up to three external displays, allowing users to extend their workspace for improved multitasking and productivity.
• Includes four USB 3.1 Gen 2 Type-A ports and two USB-C ports for fast data transfer and connection to a wide range of peripherals.
• One USB-A port remains powered when the laptop is asleep, enabling device charging at any time.
• Gigabit Ethernet port ensures reliable wired network performance for smooth video calls and fast file transfers.
• Built-in IT management features such as PXE boot, Wake-on-LAN, and MAC address pass-through simplify remote administration.
• Mirrored power button allows users to power on or shut down the laptop without opening the lid, adding convenience.
• Integrated key lock slot enhances physical security in shared or public workspaces like hot-desk stations or labs.

Key specs

• Display outputs: 2 × DisplayPort 1.4, 1 × HDMI 2.0, 1 × VGA
• USB ports: 4 × USB 3.1 Gen 2 Type-A, 2 × USB-C
• Power adapter: 135 W slim-tip AC adapter included
• Network: Gigabit Ethernet port
• Docking interface: Side-connector mechanical dock for select ThinkPad laptops

Connectivity and compatibility

This docking station offers a comprehensive set of ports to connect a variety of devices and displays. The combination of DisplayPort, HDMI, and VGA outputs supports legacy and modern monitors, while multiple USB ports accommodate external drives, webcams, and other peripherals. The gigabit Ethernet port provides a stable wired connection, essential for professional environments requiring consistent network performance.

Ideal uses and environments

The Lenovo ThinkPad Ultra Docking Station is well suited for professionals who need to expand their laptop’s capabilities into a full desktop experience. It works well in home offices, corporate workstations, and shared environments where quick docking and undocking are necessary. Its security features and IT management support make it a strong choice for organizations managing multiple devices across teams.

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Returns are accepted within 30 days of delivery. Items must be unused, in the same condition received, with tags, manuals, accessories, and original, unaltered packaging. Any item kept will be deducted from the refund. Start a return by sending us an email. Items sent back without approval may be refused or returned to the sender.

Some items are not returnable: opened TVs/combos/monitors 37″+, opened computers or software, electronic downloads, opened consumables (film, paper, bulbs, media, ink), custom or modified computers, special-order or “nonreturnable” items, submerged underwater gear, and opened educational media.

After inspection, refunds are issued to the original payment method; allow 5–7 business days for the credit to post. Shipping, handling, customs duties, and import taxes are nonrefundable. If an item is used, incomplete, or not in original condition, a 30% restocking fee may apply. Direct exchanges are not offered; purchase the replacement and return the original for a refund.

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