Lenovo 40AN0135DK laptop dock/port replicator Wired Thunderbolt 3 Black

The Lenovo 40AN0135DK is a wired Thunderbolt 3 docking station powered by an Intel Thunderbolt chipset. Designed for compatibility with USB-C and Thunderbolt-enabled Lenovo laptops, the dock supports dual UHD displays at up to 3840 x 2160 resolution, Gigabit Ethernet, and provides multiple wired USB Type-A ports plus a 135 W power supply to sustain laptop charging and connected peripherals.

Advantages

This Thunderbolt 3 dock offers high-speed data transfer and support for multiple 4K displays, enabling professional video workflows and improved multitasking. Its wired Thunderbolt connectivity ensures stable performance and broad compatibility with supported Lenovo systems. Built-in Gigabit Ethernet delivers reliable network speeds while the integrated power supply (135 W) powers the laptop and attached devices.

Suitable for

• Users who need multiple external displays (dual 4K/UHD)
• Professionals requiring stable wired network connections (Gigabit Ethernet)
• Lenovo laptop owners seeking a single-cable docking solution
• Workflows that demand fast file transfers and peripheral connectivity

Key specifications

• Model: Lenovo 40AN0135DK (Thunderbolt 3 Dock)
• Maximum digital resolution: 3840 x 2160 (UHD)
• Ethernet LAN: 10/100/1000 Mbit/s (RJ-45)
• USB ports: 5 × USB 3.2 Gen 2 (Type-A); no USB 2.0 or Type-A Gen 1 ports
• HDMI: 2 ports
• Connectivity: Wired (Thunderbolt 3 / USB-C compatible)
• Power supply: 135 W
• Weight: 0.525 kg
• Colour: Black

How to use

Connect the dock to a compatible Thunderbolt 3 or USB-C port on a supported Lenovo laptop using the supplied Thunderbolt cable. Attach external displays to the HDMI ports and connect wired network via the RJ-45 Ethernet port. Plug peripherals into the USB Type-A ports. Ensure the dock is connected to its 135 W power supply to allow laptop charging and to power connected devices. Follow the laptop manufacturer’s instructions for any required Thunderbolt or dock driver installation.

Recommendations

For best results, use with Lenovo systems that support Thunderbolt 3 and check compatibility lists from Lenovo. When driving dual UHD displays, verify your laptop’s Thunderbolt/graphics capabilities and use high-quality HDMI cables. Keep firmware and drivers updated to ensure optimal performance and network manageability.