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Lenovo USA Lenovo ThinkPad USB-C Dock Gen 2 (40AS0090US)
Lenovo

Lenovo USA Lenovo ThinkPad USB-C Dock Gen 2 (40AS0090US)

Bottom line: The Lenovo USA Lenovo ThinkPad USB-C Dock Gen 2: Single USB-C cable carries video, data, Ethernet, and 90W laptop charging; main trade-off: actual multi-monitor and 4K 60Hz output is capped by your laptop's GPU, not the dock.

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Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

Pros & Cons

Pros

  • ✓ Single USB-C cable carries video, data, Ethernet, and 90W laptop charging
  • ✓ Drives up to 3 external monitors via 1x HDMI 2.0 and 2x DisplayPort 1.4
  • ✓ Five total USB ports: 3x USB 3.1 plus 2x USB 2.0 for legacy peripherals
  • ✓ Gigabit Ethernet port restores wired networking on port-limited laptops

Cons

  • ✗ Actual multi-monitor and 4K 60Hz output is capped by your laptop's GPU, not the dock
  • ✗ Compatibility varies by model; Lenovo's listing has the supported-system list
  • ✗ Gen 2 dates to the USB-C era before Thunderbolt 4 docks became common
  • ✗ No SD card reader or front-facing USB port for quick transfers

Manufacturer description

The Lenovo ThinkPad USB-C Dock Gen 2 (40AS0090US) turns a single USB-C cable into a full desktop workstation. Connect once and you get three USB 3.1 ports, two USB 2.0 ports, gigabit Ethernet, and a combo audio jack, so your keyboard, mouse, headset, external drives, and wired network all stay plugged in while your laptop comes and goes. The video side pairs one HDMI 2.0 port with two DisplayPort 1.4 outputs, driving up to three external monitors or a single 4K display at 60Hz depending on what your system's graphics can push. The included 90W AC adapter powers the dock and charges your…

SpecPicks Verdict

SpecPicks scored Lenovo USA Lenovo ThinkPad USB-C Dock Gen 2 using a rating × review-volume × price-fit model applied to published specs and reviews across the accessories category. Lenovo's accessories lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for accessories of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

How many monitors can the ThinkPad USB-C Dock Gen 2 run?

Up to 3 external monitors, using the 1x HDMI and 2x DisplayPort outputs. The dock supports DisplayPort 1.4 and HDMI 2.0 for a maximum of one 4K display at 60Hz, but real output depends on what your system's graphics can drive.

Does this dock charge my laptop?

Yes. It ships with a 90W AC power adapter, power cord, and USB-C cable, and delivers power to your notebook over the same single USB-C connection that carries video and data.

What ports does it have?

3x USB 3.1, 2x USB 2.0, 1x Gigabit Ethernet, 1x combo audio jack, 1x HDMI, and 2x DisplayPort.

Will it work with a non-Lenovo laptop?

It is designed for ThinkPad systems. Lenovo notes that complete compatibility information is in the product description, so check that list against your specific machine before buying.

Key Features

  • Ports 3x USB 3.1, 2x USB 2.0, 1x Combo Audio Jack, 1x Gigabit Ethernet.
  • Video Ports 1x HDMI, 2x DisplayPort.
  • Max Number of External Monitors 3. (Dock has the ability to support DisplayPort 1.4 and HDMI 2.0 for max 1 x 4K at 60Hz, but the real video output would depend on the system's output).
  • What’s included ThinkPad USB-C Dock Gen 2; 90W AC Power adapter; Power cord; USB-C Cable.
  • See Description for Complete Compatibility Information.

Full Specifications

UPC656942444817 193124916439
ASINB07R68XHZ9
BrandLenovo
ColorBlack
Wattage60
Item Weight1 Pounds
ManufacturerLenovo Think Options
Built-In MediaThinkPad USB-C Dock Gen 2
Item Type NameDocking Station
Number of Ports2
Total USB Ports5
Total Usb Ports5
Total HDMI Ports1
Compatible DevicesLenovo Thinkpad Models V340-17IWL , E490 , E590, L390 , P53s , T480 , T480s , T490 , T490s , T495 , T495s , T590, X270 , X1 Carbon 6th Generation , X1 Carbon 7th Generation, X1 Yoga 3rd Generation, X1 Yoga 4th Generation, X1 X270 , X1 X280, X1 X390 Yoga, X1 X395, X1 Tablet Generation 3 . All model numbers are sufix specifcSee more
Hardware InterfaceDisplayPort, Ethernet, HDMI, USB, USB 2.0, USB Docking Station
Product Dimensions11.2"L x 8.3"W x 1.7"H
Item Dimensions L x W x H11.2"L x 8.3"W x 1.7"H
Total Number of HDMI Ports1
Global Trade Identification Number00193124916439

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Lenovo USA Lenovo ThinkPad USB-C Dock Gen 2 (40AS0090US) is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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