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Black rectangular USB-C docking station with front audio jack and rear DisplayPort, Ethernet, multiple USB ports, Kensington slot

Lenovo

Lenovo ThinkPad Pro Dock 40AH SD20T34310 USB-C Docking Station

SKU CH-BKFV-0MSGF

A USB-C docking station with dual DisplayPort outputs, Gigabit Ethernet, multiple USB ports and power delivery for compatible ThinkPad laptops

  • Dual monitors via two DisplayPort outputs
  • Five USB ports including USB-C and USB 3.0
  • Gigabit Ethernet for wired network stability
  • Charges compatible ThinkPad laptops through the dock
  • Hot docking lets you connect without shutting down

Lenovo ThinkPad Pro Dock 40AH

This USB-C docking station connects select Lenovo ThinkPad laptops to dual monitors, wired networks and multiple peripherals through a single cable. It is built for professionals who need a compact, secure hub for office or home workstations. Hot-docking capability lets users attach or detach without shutting down the laptop. A Kensington lock slot adds physical security for shared environments.

Dual DisplayPort and USB mix

Two DisplayPort outputs drive up to two external displays for expanded desktop space. Three USB 3.0 ports, two USB 2.0 ports and one USB-C port handle keyboards, mice, drives and other accessories at once. The 3.5 mm combo audio jack supports headsets for calls. Gigabit Ethernet provides a stable wired link where Wi-Fi is unreliable.

Power delivery and compatibility limits

Power passthrough charges compatible ThinkPad models through the docking connector, but the required power adapter is not included in this listing. The dock supports specific T, X and L series laptops such as T480, T490, T490s, T580, L480, L580 and X280; other models will not connect or charge. Buyers who need a bundled power supply or support for non-listed notebooks should look elsewhere.

Highlights

  • Dual monitors via two DisplayPort outputs
  • Five USB ports including USB-C and USB 3.0
  • Gigabit Ethernet for wired network stability
  • Charges compatible ThinkPad laptops through the dock
  • Hot docking lets you connect without shutting down

Specifications

No published specifications for this item yet.

Questions about this item

Will the USB 3.0 or USB 2.0 ports wear out from daily peripheral swaps?

The dock provides three USB 3.0 ports and two USB 2.0 ports rated for standard insertion cycles; no user-serviceable parts exist inside, so port wear would require full unit replacement.

What limits sustained dual-monitor output at 4K resolution?

Dual DisplayPort video supports two external displays; the dock’s video bandwidth and the host laptop’s GPU define the maximum sustained resolution and refresh rate.

How much heat or fan noise appears when the dock charges a laptop and drives two monitors all day?

The unit has no internal fan; heat comes from power passthrough and video circuitry, so warmth is normal but audible noise stays near zero during continuous operation.

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