Lenovo ThinkPad USB-C Dock (40A9)

The Lenovo ThinkPad USB-C Dock (40A9) is a universal docking solution that connects to a laptop via a single USB Type-C cable to provide video, data, and wired network connectivity while delivering up to 60W of power to the host system.
Key Features and Specifications
Connectivity: Connects to the host laptop using a single USB-C cable for data, video, and power.
Video Performance: Supports a single UHD (4K) display at 30Hz or dual Full HD (1080p) displays at 60Hz.
Power Delivery: Delivers up to 60W of continuous power to charge the connected laptop or tablet.
Ports and Connectors
The dock features a range of ports for connecting various peripherals:
USB Ports: Three USB 3.0 (one with always-on mobile device charging), two USB 2.0, and one upstream USB-C port (data only).
Video Interfaces: Two DisplayPort 1.2 ports and one VGA port.
Networking: A 10/1000 Gigabit Ethernet (RJ45) port.
Audio: A stereo/mic combo audio port.
Security: A Kensington® lock slot.
Compatibility
The ThinkPad USB-C Dock (40A9) is designed for Lenovo ThinkPad systems with a USB-C port that supports DisplayPort alternate mode and power delivery. Specific compatible models include, but are not limited to:
ThinkPad T470, T470s, T480, T480s, T490, T490s, T495
ThinkPad T570, T580, T590
ThinkPad P51s, P52s, P53s
ThinkPad X1 Carbon (5th, 6th, 7th Gen), X1 Yoga (2nd, 4th Gen)
ThinkPad X270, X280, X390, X395
ThinkPad L480, L580, L490, L590
The dock can also work with other brands of laptops that support industry-standard USB-C features (power delivery, DisplayPort alt mode), though advanced features like the mirrored power button or MAC address pass-through may only work on compatible Lenovo models. The dock uses a slim-tip power adapter rather than a USB-C power adapter.