40AS0090US Lenovo Thinkpad Docking

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🖥️ Overview

  • Brand: Lenovo

  • Model: 40AS0090US

  • Product Type: USB-C Docking Station

  • Interface: USB-C (supports USB-C and Thunderbolt 3 laptops)

  • Color: Black

  • Use: Converts a laptop into a desktop-style workstation with one cable.

⚡ Power & Charging

  • Power adapter: 90 W AC adapter included

  • Laptop charging: up to 65 W–100 W depending on adapter

  • USB charging: up to 5 V / 3 A for supported devices.

🔌 Ports & Connectivity

USB Ports

  • 3 × USB 3.1 Gen2 Type-A (10 Gbps)

  • 2 × USB 2.0 Type-A

  • 1 × USB-C port

Display Ports

  • 2 × DisplayPort 1.4

  • 1 × HDMI 2.0

Other Ports

  • 1 × Gigabit Ethernet (RJ-45)

  • 1 × 3.5 mm combo audio jack.

🖥️ Display Support

Supports up to 3 external monitors depending on laptop GPU and USB-C capabilities:

  • 1 × 4K (3840×2160) @ 60 Hz

  • 2 × 4K @ 30 Hz

  • 3 × 1080p @ 60 Hz monitors.

📏 Physical Specifications

  • Dimensions: approx. 171 × 80 × 30 mm

  • Weight: about 340 g (0.75 lb)

  • Cable length: ~171 mm host cable.

💻 Compatibility

Works with many Lenovo ThinkPad laptops and other USB-C laptops that support:

  • USB-C DisplayPort Alt Mode

  • USB Power Delivery.

Examples of compatible systems:

  • ThinkPad T480 / T490 / T590

  • ThinkPad X1 Carbon (6th / 7th Gen)

  • ThinkPad X280 / X390

  • ThinkPad L390 / P53s and others.

📦 What’s in the Box

  • ThinkPad USB-C Dock Gen 2

  • 90 W power adapter & cable

  • USB-C host cable

  • Documentation.

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