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Compact black rectangular dock with multiple ports on front and back

Lenovo

Lenovo 433815U Mini Dock Plus Series 3 90W docking station

SKU CH-ZJR9-EQATZ MPN 433815U

A 90 W dock adds 7 USB ports, VGA, dual DVI, dual DisplayPort, Gigabit Ethernet and audio for up to three external monitors

  • Port details6 x USB 2.0 1 x USB 3.0 1 x VGA 2 x DVI 2 x Display Ports 1
  • Key featuresWith the horsepower needed to power productivity on mobile w
  • Connect up to three external displays with VGA, DVI and DisplayPort outputs
  • Add seven USB peripherals through one USB 3.0 and six USB 2.0 ports
  • Wired network access via integrated Gigabit Ethernet RJ-45
  • Power compatible ThinkPad notebooks with the included 90 W AC adapter
  • Secure the dock with Kensington lock slot and security keyhole

Compact docking for ThinkPad mobile workstations

This Lenovo Mini Dock Plus Series 3 provides a 90 W power supply and a wide selection of video and data ports for compatible ThinkPad notebooks. It connects through a single dock connector and includes the 90 W AC adapter. The unit supports up to three external monitors depending on the system graphics capability. A notebook power button mirror and security lock slot are built in.

Suits users who need multiple legacy displays

The dock offers two DVI-D, two DisplayPort and one VGA output, plus six USB 2.0 ports and one USB 3.0 port. Gigabit Ethernet, separate microphone and headphone jacks and a cable lock slot complete the feature set. Buyers who require more than one USB 3.0 connection or additional video outputs beyond the five provided should consider other solutions.

Single USB 3.0 port limits high-speed peripheral

Only one USB 3.0 port is available alongside six USB 2.0 ports, so attaching several fast storage devices or high-bandwidth accessories will create a bottleneck. The five video outputs and Gigabit Ethernet remain fully usable regardless of USB load.

How it compares

Measured against everything we stock in USB-C & Laptop Docking Stations, at today’s prices. Recalculated every night.

Price $299.99
Pricier than about 90% of the 1,971 comparable items (median $81.99).

Specifications

Product
Brand nameThinkPad
Model name433815U
Ports & slots
Port details6 x USB 2.0
1 x USB 3.0
1 x VGA
2 x DVI
2 x Display Ports
1 x RJ-45
1 x Micphone Port
1 x Headphone Port
Size & build
Shipping weight2.72 kg
Package size384 × 259 × 99 mm

Questions about this item

What physical connection does the ThinkPad Mini Dock Plus 433815U use to attach to the notebook?

The dock connects through the proprietary ThinkPad docking connector on the bottom of compatible mobile workstations; align the guide pins and press down until it clicks into place.

Which step do users often miss when installing the 90 W dock for the first time?

Connect the included 90 W AC adapter to the dock’s power input before seating the notebook; without external power the dock cannot charge the system or drive three external monitors.

What replaceable part keeps the dock physically secured to a desk over time?

The Kensington cable-lock slot accepts a standard security cable; if the slot or an attached cable is damaged, replace the cable rather than the entire dock.

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