Lenovo Thunderbolt 3 Dock

lenovo ThinkPad Thunderbolt 3 Dock – DK1841 (Type 40AN)

Professional Thunderbolt 3 Docking Station with Multi-Monitor Support, USB Connectivity, Gigabit Ethernet, and Laptop Charging

Refurbished with 1 Year Warranty

Lenovo ThinkPad Thunderbolt 3 Docking Station

The Lenovo ThinkPad Thunderbolt 3 Dock (Model DK1841, Type 40AN) is a high-performance docking solution designed to transform a compatible laptop into a complete desktop workstation. Through a single Thunderbolt 3 connection, users can connect external monitors, keyboards, mice, USB accessories, wired networking, and audio devices while simultaneously charging their laptop.

Designed for business professionals, office environments, remote workers, and users requiring multiple displays, the ThinkPad Thunderbolt 3 Dock helps reduce cable clutter and provides a convenient way to connect and disconnect a laptop from a fully equipped workstation.

Lenovo ThinkPad Compatibility

Compatible with select Lenovo ThinkPad laptops equipped with Thunderbolt 3 or Thunderbolt 4 ports, including:

• ThinkPad T Series: Select T480, T490, T14, T14s, T15, T16 and related models
• ThinkPad X1 Series: Select X1 Carbon and X1 Yoga generations
• ThinkPad X Series: Select X280, X390, X13 and related models
• ThinkPad P Series: Select P1, P15, P16 and other mobile workstations

Thunderbolt 4 Backward Compatibility: Newer laptops equipped with Thunderbolt 4 ports can generally connect to Thunderbolt 3 docking stations, allowing this dock to support many newer ThinkPad generations.

Compatibility depends on the laptop's Thunderbolt capabilities, power requirements, operating system, and configuration. Some features may not be available on every model. Standard USB-C ports without Thunderbolt support are not guaranteed to provide full docking functionality.

Features & Benefits

• Single-Cable Connection: Connect displays, peripherals, networking, and laptop charging through one Thunderbolt 3 cable.
• High-Speed Thunderbolt 3: Supports up to 40Gbps Thunderbolt connection bandwidth with compatible systems.
• Multiple Monitor Support: Expand your desktop workspace using external displays for improved productivity.
• 4K Display Support: Supports high-resolution external monitors, depending on the laptop and display configuration.
• USB Expansion: Connect keyboards, mice, external storage devices, printers, and other USB accessories.
• Gigabit Ethernet: Provides a reliable wired network connection for office and business environments.
• Laptop Charging: Supplies power to compatible laptops through the Thunderbolt connection.
• Integrated Audio: Convenient audio connectivity for headphones, speakers, and compatible headsets.
• Compact Design: Keeps your desk organized while minimizing cable clutter.
• Thunderbolt 4 Compatibility: Works with many newer Thunderbolt 4-equipped laptops through backward compatibility.

Ports & Connectivity

The Lenovo ThinkPad Thunderbolt 3 Dock (40AN) provides a wide selection of ports for connecting monitors and peripherals.

• 2 x DisplayPort – External digital monitor connections
• 2 x HDMI – External digital monitor connections
• 1 x Thunderbolt 3 – High-speed Thunderbolt peripheral connection
• 1 x USB-C – USB-C peripheral connectivity
• 5 x USB-A – USB accessories and external devices
• 1 x RJ-45 Gigabit Ethernet – Wired network connection
• 1 x 3.5mm Audio Combo Jack – Headphones or compatible headset
• DC Power Input – External AC power adapter connection
• Thunderbolt 3 Host Connection – Connection to a compatible laptop
• Security Lock Slot – Physical security cable support

Display outputs share available system bandwidth. Not all video connectors can necessarily be used simultaneously.

Multiple Monitor & 4K Display Support

The ThinkPad Thunderbolt 3 Dock is designed for productivity-focused multi-monitor workstations. Connect compatible external displays to expand your desktop, organize applications, and work more efficiently across multiple screens.

• Supports high-resolution external displays, including 4K monitors.
• Supports multiple external monitors on compatible ThinkPad systems.
• DisplayPort and HDMI connections provide flexibility for different monitor types.
• Ideal for spreadsheets, accounting, programming, office applications, and multitasking.
• Actual display resolution, refresh rate, and number of supported monitors depend on the connected laptop.

Thunderbolt 3 Performance

Thunderbolt 3 technology provides a high-bandwidth connection capable of transferring data at up to 40Gbps between compatible devices. This allows the dock to handle external displays, USB peripherals, networking, and other connected accessories through a single cable.

Compared with conventional USB docking solutions, Thunderbolt technology provides additional bandwidth for demanding workstation configurations, particularly those using multiple high-resolution monitors and high-speed external storage devices.

Laptop Charging & Power

Included Power Adapter: Lenovo 135W AC Power Adapter

The dock supports charging compatible ThinkPad laptops through the Thunderbolt connection, reducing the need for a separate laptop charger at your workstation.

Important: The 135W adapter is the dock's power supply rating, not the laptop charging output. Actual