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ThinkStation C20/x, D20 Intel Xeon 5600 Processors - Overview
Features and specifications

Add a second Intel Xeon processor to your ThinkStation D20, C20, or C20x system to boost your system's performance for advanced compute-intensive multithreading applications such as Digital Content Creation, advanced 3D CAD visualization, and High Performance Computing.

Enabled by new Intel® Turbo Boost Technology, the power efficient Intel Xeon processor 5600 series automatically moves into the lowest available power state without compromising performance.

Offering highlights:

  • Intel Xeon Processor E5649 (12M Cache, 2.53 GHz, 5.86 GT/s Intel QPI) - 0A36534
  • Intel Xeon Processor E5645 (12M Cache, 2.40 GHz, 5.86 GT/s Intel QPI) - 0A36533
  • Intel Xeon Processor E5607 (8M Cache, 2.26 GHz, 4.80 GT/s Intel QPI) - 0A36532
  • Intel Xeon Processor E5606 (8M Cache, 2.13 GHz, 4.80 GT/s Intel QPI) - 0A36531

Technical information:

  • Processor core: 32nm technology
  • Frequency: 2.13~2.53GHz
  • L3 cache: From 8MB to 12 MB shared L3 cache with Intel smart cache.
  • Thermal Design Power: 80W
  • 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 May 2011 (Worldwide)
  • Availability date: 27 May 2011 (Worldwide)
  • Effective Withdrawal Date : Mar 2012


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 : PD014681
Last Updated :
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