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Rectangular black plastic dock with multiple rear ports and front USB connectors

Lenovo

Lenovo ThinkPad Mini Dock Plus Series 3 433810U Docking Station

SKU CH-CESH-1S39P

Adds Ethernet, VGA, dual DVI-D, dual DisplayPort, audio, six USB 2.0 ports, eSATA and a Kensington lock slot to compatible ThinkPad models

  • Connect to wired networks via Ethernet RJ45 port
  • Drive two external monitors through dual DVI-D outputs
  • Expand display options with two DisplayPort connections
  • Attach multiple peripherals using six USB 2.0 ports
  • Secure the dock physically with Kensington lock slot

Lenovo Mini Dock Plus Series 3

This docking station expands a compatible ThinkPad with six USB 2.0 ports, dual DVI-D and dual DisplayPort video outputs, VGA, gigabit Ethernet, audio jacks and an eSATA connector. It uses a proprietary bottom connector and requires a separate AC adapter to operate. The unit includes a Kensington lock slot and a key lock mechanism.

Suitable for owners of listed ThinkPad models

Buyers who need USB 3.0 or USB-C connectivity cannot use this dock. Buyers who require an included power supply must source one separately. Buyers with laptops outside the supported L, T, W and X series cannot connect this device.

Proprietary bottom connector compatibility

The dock connects only through the specific proprietary interface found on ThinkPad models L412, L420, L512, L520, T400s, T410s, T410i, T410si, T420, T420s, T510, T510i, T520dc, W510 and X220. Verify your laptop model before purchase.

How it compares

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

Price $161.99
Pricier than about 71% of the 1,971 comparable items (median $81.99).

Specifications

Product
Brand nameLenovo

Questions about this item

Will the AC adapter need to be purchased separately for the ThinkPad Mini Dock Plus Series 3?

Yes, the AC adapter is not included with the docking station and must be sourced separately to power the unit.

Which port limits the number of external displays I can run simultaneously?

The dock provides one VGA, two DVI-D and two DisplayPort outputs, allowing up to three external monitors depending on your laptop's graphics capability.

Does the dock generate noticeable heat or fan noise when left running all day?

The unit has no integrated fan and relies on passive cooling, so it runs silently with only mild warmth during extended use.

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