433835U ThinkPad Mini Dock Plus Series 3 USB 3.0 170W Docking Station for W520 W530

The 433835U U.S./Canada kit combines a ThinkPad Mini Dock Plus Series 3 with USB 3.0, Type 4338, with a compatible 170W round-tip AC adapter and U.S. AC power cord. It expands compatible ThinkPad notebooks with USB, Ethernet, audio and five physical monitor outputs through the notebook’s dedicated Series 3 bottom docking connector.

✔️ Genuine OEM Docking Kit!
✔️ Grade A, Cleaned and Fully Tested!
✔️ Includes 170W AC Adapter and U.S. Power Cord!
✔️ Includes CPU Medics Warranty!

What’s Included

• ThinkPad Mini Dock Plus Series 3 with USB 3.0, Type 4338
• Compatible 170W 20V 8.5A round-tip AC adapter
• U.S. three-prong IEC C5 AC power cord
• No USB host or data cable is required
• Video, Ethernet, audio, security-lock and other peripheral cables are not included
• Docking key is included only when specifically shown or stated in the listing

Technical Specifications

• Product Type: Mechanical notebook docking station
• Complete Kit Number: 433835U
• Dock Type: 4338
• Configuration: Mini Dock Plus Series 3 with USB 3.0 and 170W adapter
• Notebook Connection: Series 3 bottom mechanical docking connector
• USB 3.0 Ports: 1
• USB 2.0 Ports: 6
• DisplayPort Outputs: 2
• DVI-D Outputs: 2 single-link
• VGA Output: 1
• Network: 1 RJ-45 Ethernet port; operating speed depends on the notebook’s network controller
• Audio Input: 1 analog microphone port
• Audio Output: 1 headphone/speaker port
• Security: Integrated key lock and Kensington-style cable-lock slot
• Controls: Dock power button and one-step eject mechanism
• Power Input: 20V DC round-tip connection
• Color: Black
• Approximate Dimensions: 345mm × 199mm × 56mm
• Approximate Dock Weight: 940g / 2.1 lb, excluding adapter
• eSATA: Not present on this USB 3.0 configuration

Display and Resolution Support

• DisplayPort: Up to 2560 × 1600 per supported display
• DVI-D: Up to 1920 × 1200 per supported display
• VGA: Up to 1920 × 1200
• Typical Multi-Monitor Support: Up to two external displays on most compatible systems
• Expanded Multi-Monitor Support: Select systems with supported NVIDIA Optimus graphics can operate as many as three dock-connected displays
• Physical Video Outputs: Five total; not every output can necessarily be active simultaneously

Actual resolution, refresh rate and number of active displays depend on the docked notebook’s graphics controller, operating system, drivers, monitor connections and display configuration.

Included AC Adapter Specifications

• Maximum Power: 170W
• Output Voltage: 20V DC
• Output Current: 8.5A
• Connector: 7.9mm × 5.5mm round barrel tip with center pin
• AC Input: 100–240V AC, 50/60Hz
• AC Inlet: IEC C6
• Included Cord: U.S. NEMA 5-15P to IEC C5 three-prong cord

Compatible 170W adapter numbers may include 0A36238, 45N0112, 45N0113, 45N0114, 45N0117, 45N0118, 45N0349, 45N0350, 45N0353 and 45N0354.

Interchangeable / Replacement Part Numbers

Complete 170W Kit: 433835U, 4338-35U
Dock Type: 4338
USB 3.0 Plus Dock Assembly: 0B56231 / FRU 04W3586, 0C10039 / FRU 04W3939, SD20A23328 / FRU 04Y2074

The physical Type 4338 dock was also used in certain 90W packages. Those dock assemblies may interchange, but a complete replacement for 433835U must include the proper 170W adapter.

⭐ Related Parts and Cross-Sell

➕ 45N0113 - 170W 20V 8.5A Round-Tip AC Adapter
➕ K260C - 3FT Three-Prong IEC C5 AC Power Cable

✅ Confirmed Compatibility

Compatibility requires the notebook’s dedicated Series 3 bottom docking connector. Available USB speed, display count and maximum resolution depend on the individual notebook configuration.

✔️ ThinkPad L Series: L412, L420, L421, L430, L512, L520, L530
✔️ ThinkPad T Series: T400s, T410, T410i, T410s, T410si, T420, T420i, T420s, T420si, T430, T430i, T430s, T430si, T431s, T510, T510i, T520, T520i, T530, T530i
✔️ ThinkPad W Series: W510, W520, W530
✔️ ThinkPad X Series: X220, X220i, X220 Tablet, X220i Tablet, X230, X230i, X230 Tablet, X230i Tablet

☑️ Key Features

☑️ Correct Type 4338 Mini Dock Plus configuration
☑️ Includes compatible 170W round-tip AC adapter
☑️ Seven total USB ports, including one USB 3.0 port
☑️ Two DisplayPort, two DVI-D and one VGA output
☑️ Supports multiple external monitors
☑️ RJ-45 Ethernet, microphone and headphone connectivity
☑️ Integrated key lock and security-cable slot
☑️ One-step mechanical docking and eject system
☑️ No separate USB host or data cable required

⚙️ Fit Notes

• Type 4337 is not interchangeable with this item. Type 4337, P/N 0C10040 and FRU 04W3940 identify the standard Mini Dock Series 3 with USB 3.0, not the Mini Dock Plus.
• Type 4337 provides five USB 2.0 ports, one USB 3.0 port, one DisplayPort, one DVI-D and one VGA output. Type 4338 provides six USB 2.0 ports, one USB 3.0 port, two DisplayPort, two DVI-D and one VGA output.
• The 433715U standard Mini Dock and 433835U Mini Dock Plus are separate product configurations even though they support many of the same notebooks.
• The 433815U package uses a Type 4338 Plus dock with a 90W adapter. It is not a complete 170W-kit substitute unless the adapter is upgraded to the correct 170W model.
• The USB 3.0 port may operate at USB 2.0 speed on older notebook platforms that do not route USB 3.0 through the docking connector.
• Tablet models may require removal or adjustment of the dock alignment guide.
• T431s models require the appropriate CS09 Dock Adapter.
• Audio ports on the dock may be unavailable with certain L412 and L512 configurations; use the notebook’s audio ports when necessary.
• The DVI-D ports are digital-only and do not support passive DVI-to-VGA adapters.
• No eSATA connector is provided on this USB 3.0 revision.
• This dock does not connect through a normal USB cable. A compatible bottom docking connector is required.
• Later Slim Tip, USB-C and Thunderbolt ThinkPads require a different dock.