Lenovo ThinkPad Series 3 Type 4337 Dock | 75Y5908 | 75Y5905 | 75Y5732 | 75Y5733 | 0A70349​ | 04W0485​ | 0B00031​ | 04W1816​ | 75Y5735​ | 75Y5734 | 04W1805​ | 0B00034

75Y5908 | 75Y5905 | 75Y5732 | 75Y5733 | 0A70349 | 04W0485 | 0B00031 | 04W1816 | 75Y5735 | 75Y5734 | 04W1805 | 0B00034

**These part numbers are interchangeable versions of the same Type 4337 dock. Ports and functionality are identical, so you may receive any of the listed part numbers.***

Lenovo ThinkPad Mini Dock Series 3 Type 4337

The Lenovo ThinkPad Mini Dock Series 3 (Type 4337) is a reliable docking solution designed for professionals who need seamless desktop connectivity for their ThinkPad laptops. It expands your workspace with multiple ports, secure locking, and easy one‑step docking.

This listing includes multiple Lenovo part numbers: 75Y5908, 75Y5905, 75Y5732, 75Y5733, 0A70349, 04W0485, 0B00031, 04W1816, 75Y5735, 75Y5734, 04W1805, 0B00034

All of these part numbers refer to the same Lenovo ThinkPad Mini Dock Series 3 / Series 3 Plus. They are fully interchangeable and offer the same ports, compatibility, and functionality. Only bundle contents may vary (keys, AC adapter, packaging type).

Ports & Connectivity

• 6 × USB 2.0 ports
• 1 × DisplayPort
• 1 × DVI‑D
• 1 × VGA
• 1 × Ethernet (RJ‑45)
• 1 × Headphone out
• 1 × Microphone in
• Power input for Lenovo AC adapter

Compatible ThinkPad Models

Supports ThinkPad laptops with the CS09 docking connector, including:

• T‑Series: T400s–T530
• W‑Series: W510–W530
• X‑Series: X220–X230
• L‑Series: L412–L530

(Audio ports may be inactive on certain L‑Series models.)

Notes

• Keys or AC adapter may not be included but can be purchased separately.
• All part numbers listed are functionally identical.
• Cosmetic variations may occur due to different manufacturing batches.
• Compatibility information is provided as a general reference only. We strongly recommend verifying your laptop model before placing an order. If the item is not compatible, you may still return it, but both shipping costs will be the buyer’s responsibility.