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ThinkPad X200 UltraBase - Overview

X200 Ultrabase

Features and specifications

The ThinkPad X200 UltraBase (43R8781) snaps easily onto your ThinkPad X200 Series and X201 Series ultraportable or tablet system for portable expansion. It features:



  • Physical specifications:
    • ThinkPad X200 UltraBase (43R8781):
      • Approximate height: 27 mm (1.0 in)
      • Approximate width: 295 mm (11.6 in)
      • Approximate depth: 233 mm (9,2 in)
      • Approximate weight: 0.73 kg (1.6 lb)
    • ThinkPad X200 UltraBase (43R8781) packaged in a carton:
      • Approximate height: 97 mm (3.8 in)
      • Approximate width: 305 mm (12.0 in)
      • Approximate depth: 363 mm (14.3 in)
      • Approximate weight: 1.4 kg (3.1 lb)
  • Operating environment:
    • Temperature: 5 degrees C (41 degrees F) to + 35 degrees C (95 degrees F)
    • Relative humidity: 8% to 80% (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)



3 years – Customer Replaceable Unit (CRU)

  • Announce date (43R8781): 05 Aug 2008 (Worldwide)
  • Planned availability date (43R8781): 15 Aug 2008 (Worldwide)
  • Announce date (45K1736): 02 Jun 2009 (Europe/Middle East/Africa retail pack)
  • Planned availability date (45K1736): 05 Jun 2009 (Europe/Middle East/Africa retail pack)

Hardware compatibility
DescriptionMachine - Models
ThinkPad X200, X200s, X200t, X200 Tablet
ThinkPad X201, X201i, X201s, X201t, X201 Tablet
Lenovo Easy Reach Monitor Stand (55Y9258)*



  • ThinkPad X200 UltraBase
  • Two Security Keys
  • Setup Poster

Note: The X200 UltraBase does not include a power adapter. It requires the power adapter provided with the system or one of the following:

Agency approvals

Additional product information
Service parts - Part number listing for your product
Publications - Instruction manuals for your product
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: 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).
Personal Systems Reference (PSREF) - Comprehensive information on the features and technical specifications of Lenovo products.
44C0554, 42X4963