Lenovo 40AN0135SA laptop dock/port replicator Wired Thunderbolt 3 Black

The Lenovo 40AN0135SA Thunderbolt 3 wired dock provides a compact, high-performance connection hub for Thunderbolt- and USB-C‑enabled laptops. Powered by an Intel Thunderbolt chipset and a 135W power supply, the dock supports dual UHD displays with up to 3840 x 2160 resolution, Gigabit Ethernet and multiple USB ports to extend connectivity and improve productivity.

Advantages

This Thunderbolt 3 dock delivers high-speed data transfer, support for multiple 4K displays and stable wired network access via Gigabit Ethernet. The wired design and Intel Thunderbolt chipset ensure broad compatibility with Thunderbolt- and USB-C systems while the integrated 135W power supply charges compatible laptops during use. Compact black housing and standard video and USB interfaces simplify integration into workstations.

Suitable for

• Office workstations requiring multiple external monitors
• Creative professionals working with high-resolution video and large files
• Home offices needing a reliable wired Ethernet connection
• Users who need many USB ports for peripherals and external storage

Key specifications

• Model: Lenovo 40AN0135SA (Thunderbolt 3 wired dock)
• Chipset: Intel Thunderbolt
• Power supply: 135W
• Maximum digital resolution: up to 3840 x 2160 (UHD)
• Ethernet: 1 × RJ-45, 10/100/1000 Mbit/s (Gigabit Ethernet)
• USB ports: 5 × USB 3.2 Gen 2 Type‑A, 0 × USB 3.2 Gen 1 Type‑A, 0 × USB 2.0
• Video outputs: 2 × HDMI
• Color: Black
• Weight: 0.525 kg

How to use

Connect the dock to a compatible laptop using the Thunderbolt 3 cable. Attach external monitors to the HDMI ports and connect peripherals to the USB Type‑A ports. Plug an Ethernet cable into the RJ‑45 port for wired network access. Ensure the laptop accepts the dock's 135W power delivery so the dock can charge the system while connected. Follow any on-screen prompts to install drivers if required by your operating system.

Recommendations

Use the Lenovo 40AN0135SA with Thunderbolt 3 or USB-C systems that support DisplayPort Alt Mode and Thunderbolt power delivery for full functionality. For dual 4K output at 60 Hz, verify the host laptop’s Thunderbolt/graphics capabilities and use high-quality HDMI cables. Keep firmware and drivers up to date for best performance.