ThinkPad UltraBase Series 3

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ThinkPad UltraBase Series 3 (0A33932)

This is a proprietary docking station for models with a CS09 standard docking port.



  • 4x USB 2.0 (Type-A) port
  • 1x Ethernet (RJ-45) port
  • 1x DisplayPort 1.2 out port
  • 1x VGA-out (DE-15) port
  • 1x Headphone port (3.5mm, TRS)
  • 1x Microphone port (3.5mm, TS)
  • 1x Serial Ultrabay Slim2
  • 1x DC-in (barrel) socket
  • 2x Audio speaker (stereo)


  • 1x Proprietary key lock (secures the laptop to the dock)
  • 1x Kensington security lock slot


  1. This dock can be used in other models with an identical CS09 docking port, but it needs to be heavily modified (e.g. dremeling chunks of plastic off).
  2. This Ultrabay slot does not support the use of an Ultrabay battery.
Thinkpad ultrabase series 3.jpg

Part numbers

  • 04W6846 (0B67692), 04W1890 (0A33932), 04W1420 (0A86464)

Models supporting this accessory