Lenovo 40A90090US ThinkPad USB C Docking Station
Overview
The Lenovo 40A90090US is a ThinkPad USB-C Dock designed to extend enterprise laptops into full desktop workstation setups through a single USB-C connection. It is widely used in corporate environments for docking standardization, enabling external displays, wired networking, and peripheral expansion while simultaneously delivering power to compatible laptops.
This docking station supports USB-C host connectivity and provides multiple expansion interfaces including DisplayPort outputs, VGA, USB-A ports, USB-C port, and Gigabit Ethernet. It enables single 4K display output at reduced refresh rates or dual Full HD monitor configurations, depending on system compatibility.
It also delivers up to approximately 60W power delivery to connected laptops (with a 90W adapter supplied), making it suitable for ThinkPad business systems that support USB-C charging.
Deployment is intended for office desk setups, hot-desking environments, and enterprise IT-managed workstations where users require quick connect/disconnect capability with minimal cable management.
This dock is not suitable for GPU-intensive external graphics workloads or high-refresh multi-4K display configurations.
Key Features
- Single-cable USB-C docking for enterprise laptops
- Dual-display support via DisplayPort or VGA outputs
- Integrated Gigabit Ethernet for stable wired networking
- USB expansion ports for peripherals and storage devices
- Power delivery support for compatible ThinkPad systems
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