ThinkPad Mini Dock Series 3 - 90W - Overview

ThinkPad Mini Dock Series 3

Features and specifications

The ThinkPad Mini Dock Series 3 - 90W (433710U* - United States) is ideal for notebook users who need easy access to the Internet/LAN, multiple USB devices, audio and video equipment, and robust key lock security.

Features and benefits:

  • Left corner alignment for easy system attachment
  • Convenient eject button for one-step system removal
  • Six USB 2.0 ports
  • Three video ports:
    • Any two, of the three, video ports can be used simultaneously:
    • VGA analog monitor supporting 1920 x 1200 resolution
    • One Single-Link DVI-D digital monitor supporting 1920 x 1200 resolution
      • Single-Link DVI-D port does not support attachment of a DVI-to-VGA monitor adapter.
    • One DisplayPort monitor supporting 2560 x 1600 resoltion
      • Supports attachment (compatibility varies by ThinkPad system) of DisplayPort monitor cables; Using DisplayPort monitor cables reduces resolution to 1920 x 1200
  • Audio ports*: Analog microphone in, headphone out
  • RJ-45 Ethernet port
  • Integrated key lock and cable lock slot physically secures the ThinkPad and ThinkPad Mini Dock Series 3
    • The cable lock and key lock operate seperately
    • The cable lock secures the ThinkPad Mini Dock Series 3 to the workspace (desk, table, pole, furniture, wall)
    • The separate key lock, on the side of the ThinkPad Mini Dock Series 3, secures the ThinkPad to the ThinkPad Mini Dock Series 3
      • To remove the ThinkPad, from the ThinkPad Mini Dock Series 3, the user turns the seperate key. The user does not need to remove the cable lock from the ThinkPad Mini Dock Series 3
      • Includes two security keys
  • Compatible to Lenovo Easy Reach Monitor Stand
  • Includes a ThinkPad 90W AC Power Adapter
  • ThinkPad 90-watt AC Power Adapter varies by country. Service parts has a listing of the country part numbers for the ThinkPad Mini Dock Series 3.
  • One-year warranty


  • ThinkPad L412, L512: ThinkPad Mini Dock Series 3 dock audio ports are inactive, ThinkPad audio ports are active.
  • DisplayPort Monitor Cable compatibility varies by ThinkPad system

Physical specifications:

  • ThinkPad Mini Dock Series 3 (4337)
    • Approximate height: 55 mm (2.2 in)
    • Approximate width: 345 mm (14.0 in)
    • Approximate depth: 198 mm (7.8 in)
    • Approximate weight: 0.9 kg (2.0 lb) - Does not include the 90W AC power adapter
  • ThinkPad Mini Dock Series 3 (4337) packaged in a carton:
    • Approximate height: 85 mm (3.3 in)
    • Approximate width: 380 mm (15.0 in)
    • Approximate depth: 250 mm (9.8 in)
    • Approximate weight: 1.8 kg (3.9 lb) - Includes the 90W AC power adapter

Operating environment:

  • Temperature: 0 degrees C (32 degrees F) to + 40 degrees C (104 degrees F)
  • Relative humidity: 5% to 90% (non-condensing)

Storage environment:

  • Temperature: - 20 degrees C (- 4 degrees F) to + 60 degrees C (140 degrees F)
  • Relative humidity: 5% to 95% (excluding rain)


1 year – Customer Replaceable Unit (CRU)

  • Announce date: 23 Jun 2009 (Country listing)
  • Planned availability date: 26 Jun 2009 (Country listing)

Hardware compatibility
Machine - Models
ThinkPad L412*, L512*, L420, L520
ThinkPad T400s, T410, T410i, T410s, T410si, T420, T420i, T420s, T420si, T510, T510i
ThinkPad T520, T520i
Dual Core Models only
ThinkPad X220
Lenovo Easy Reach Monitor Stand



Agency approvals

Additional product information
Service parts - Part number listing for your product
Publications - Instruction manuals for your product
Lenovo Support: NVIDIA Optimus - ThinkPad Multiple Monitor Configurations - Information about multiple monitors using ThinkPad systems with NVIDIA Optimus technology
Lenovo Support: Docking Stations and Port Replicators: Reference Guide - A list of other docking stations and port replicators
Lenovo Support: Replacement Security Keys - Describes information on replacement security keys
Lenovo Support: Stands, Arms, Mounts: Reference Guide - A list stands, arms and mounts
Lenovo Support: Power Adapters: Reference Guide - A list AC, AC/DC Power Adapters
Lenovo Support: Monitors - Reference Guide - A list of monitors
Lenovo ThinkVision Monitors ( ) - ThinkVision monitor information - Additional information on options and accessories. Includes the Docking Solutions Brochure, ThinkPad USB Port Replicator with Digital Video Datasheet and the Option Compatibility Matrix (OCM).
NVIDIA Optimus ( ) - Information on NVIDIA's Optimus technology
Personal Systems Reference (PSREF) - Comprehensive information on the features and technical specifications of Lenovo products.
433710A, 45N6685, 45N6686, 45N6687, 45N6688, 45N6689, 45N6690, 45N6691, 45N6692, 433710G, 45N6678, 45N6679, 45N6680, 45N6681, 45N6682, 45N6683, 45N6684, 433710J, 433710P, 433710U, 433710X, 4337, 4337-10A, 4337-10U, 4337-10P, 4337-10G, 45N5887, 45M2489

If you are unable to find what you are looking for, please do try the following options:
1. Lenovo Assisted Search
2. Product usage and general troubleshooting tips
3. Lenovo Support Forum
4. Technical Support Call Centre

Country Availability
Document ID : PD014560
Legacy Document ID : MIGR-72871
Last Updated :
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