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Rectangular black docking station, compact horizontal form, front ports visible

Lenovo

Lenovo 433715U ThinkPad Mini Dock Series 3 USB 3.0

SKU CH-E7SY-JEJR9 MPN 433715U

A compact docking station with USB 3.0 that expands connectivity for compatible ThinkPad models

  • CompatibilityThinkPad L412* ThinkPad L420 ThinkPad L430 ThinkPad L512* Th
  • Dimension14" x 7.8" x 2.2"
  • Weight2.0 lbs.
  • Connects many ThinkPad models including T400s T410 T420 T430
  • USB 3.0 ports give fast data transfer for peripherals
  • Compact 14 x 7.8 x 2.2 inch design saves desk space
  • Light 2.0 lb weight makes it easy to move
  • Simple one-cable dock expands video and I/O instantly

Lenovo ThinkPad Mini Dock Series 3

This Lenovo 433715U Mini Dock Series 3 adds USB 3.0 connectivity to compatible ThinkPad laptops. It serves as a compact docking station for expanding ports on supported models. The refurbished unit measures 14 x 7.8 x 2.2 inches and weighs 2.0 lbs.

Suits owners of listed ThinkPad L and T models

The dock fits ThinkPad L412, L420, L430, L512, L520, L530 and T400s, T410, T410i, T410s, T410si, T420, T420i, T420s and similar models shown in the compatibility list. It is not for owners of ThinkPad models that do not appear on that list or for laptops that require a different docking connector.

Uses the proprietary ThinkPad Mini Dock interface

The single specification that decides fit is the proprietary Mini Dock connector on the underside of the laptop. Only ThinkPad models equipped with this specific docking port can attach to the 433715U unit.

Highlights

  • Connects many ThinkPad models including T400s T410 T420 T430
  • USB 3.0 ports give fast data transfer for peripherals
  • Compact 14 x 7.8 x 2.2 inch design saves desk space
  • Light 2.0 lb weight makes it easy to move
  • Simple one-cable dock expands video and I/O instantly

Specifications

Brandlenovo
Model433715U
CompatibilityThinkPad L412*
ThinkPad L420
ThinkPad L430
ThinkPad L512*
ThinkPad L520
ThinkPad L530
ThinkPad T400s
ThinkPad T410
ThinkPad T410i
ThinkPad T410s
ThinkPad T410si
ThinkPad T420
ThinkPad T420i
ThinkPad T420s
ThinkPad T420si
ThinkPad T430
ThinkPad T430i
ThinkPad T430s
ThinkPad T430si
ThinkPad T510
ThinkPad T510i
ThinkPad T520 Dual Core models only
ThinkPad T520i Dual Core models only
ThinkPad T530
ThinkPad T530i
ThinkPad X220
ThinkPad X230
ThinkPad X230i
Notes:
ThinkPad T420, T420s and T520 models, USB 3.0 port on the Mini Dock Series 3 with USB 3.0 will function as a USB 2.0 port.
Think
Dimension14" x 7.8" x 2.2"
Weight2.0 lbs.
Shipping weight2.27 kg
Package size384 × 254 × 91 mm

Questions about this item

How do I connect the dock to my ThinkPad T420 without forcing the connector?

Align the rectangular docking connector on the bottom of the T420 with the dock's mating port, then press down evenly until it clicks; forcing it at an angle bends the pins.

Which parts of the 433715U Mini Dock Series 3 typically wear out and need replacement?

The mechanical docking connector and the USB 3.0 ports see the most insertions; the connector latch spring can fatigue and the port contacts can loosen over time.

What thermal limit appears first when the dock runs all ports continuously?

The compact 14 x 7.8 x 2.2 inch enclosure has no active cooling, so sustained full-load USB 3.0 traffic raises the internal temperature until the plastic chassis becomes hot to the touch.

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