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ThinkStation C20, D20 Intel Xeon Processors - Overview
Features and specifications

Intel Xeon processors from Lenovo offer the ideal solution for applications that incorporate streaming video, image processing, video content creation, and 3-D computer aided design (CAD) environments.

Offering highlights:

  • Intel Xeon E5507 Processor (2.26GHz 800MHz 4MB L2) - 0A36177
  • Intel Xeon E5620 Processor (2.40GHz 1066MHz 12MB Turbo SMT) - 0A36179
  • Intel Xeon E5640 Processor (2.66GHz 1066MHz 12MB Turbo SMT) - 0A36178
  • Intel Xeon X5650 Processor (2.66GHz 1333MHz 12MB Turbo SMT) - 0A36180
  • Intel Xeon X5660 Processor (2.80GHz 1333MHz 12MB Turbo SMT) - 0A36182
  • Intel Xeon X5670 Processor (2.93GHz 1333MHz 12MB Turbo SMT) - 0A36181

Technical information:

  • Processor core: 32nm technology
  • Frequency: 2.26~2.93GHz
  • L3 cache: 12 MB shared L3 cache with enhanced smart cache.
  • Thermal Design Power: 40W up to 130W
  • Memory Support: Integrated Memory Controller supports up to 3 channels of DDR3 or DDR3L memory, with up to 3 DIMMs per channel.
  • DDR3 Memory Speed (MHz): 800, 1066, 1333.
  • Multi-Core Support: Up to 6 cores per processor(package)
  • Intel Hyper-Treading Technology: 2 threads per core
  • Dual processor Support: Up to 2 processor sockets per platform
  • Package: 1366-land FC-LGA
  • Data Transfer Rate (GT/s): Two full-width Intel QuickPath Interconnect Links, up to 6.40GT/s in each direction.

Physical Specifications:

  • Fansink for C20, C20x:
    • Height: 85 mm (3.35 in)
    • Width: 95 mm (3.74 in)
    • Depth: 95 mm (3.74 in)
    • Weight: 0.44 kg (0.98 lbs)
  • Fansink for D20:
    • Height: 85 mm (3.35 in)
    • Width: 94 mm (3.7 in)
    • Depth: 115 mm (4.53 in)
    • Weight: 0.44 kg (1.02 lbs)


3 year – Customer Replaceable Unit (CRU) Service

  • Announce date: 24 Aug 2010 (Worldwide)
  • Availability date: 27 Aug 2010 (Worldwide)
  • Effective withdrawal date: 30 Dec 2011

Hardware compatibility
Machine Type - Models
ThinkStation C20, C20x
ThinkStation D20


When installing a second processor, the second processor must match the existing installed processor. The system may not start or function properly if they are not identical.


Time: Approximately 30 minutes

Related documents:

  • Processor
  • C20/C20X Fansink
  • D20 Fansink
  • Setup Poster

Agency approvals


Additional product information
Service parts - Parts listing for your product
Lenovo Support: ThinkStation Workstation Reference List - A list of other options for ThinkStation sytsems

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 : PD002160
Legacy Document ID : MIGR-76096
Last Updated :
Copyright © Lenovo 2013, all rights reserved
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