21.5 iMac Mid 2010 A1311 661-5538 661-5534 Logic Board Core i3 CPU Not Included.

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Replacement Logic Board for the Mid 2010 21.5" iMac.  This Board was used in all configurations the Mid 2010 iMac.

This Logic board does not include a Cpu.

It can be used with:

Intel Core "I" series Clarkdale Socket H - LGA 1156

Core i3-540 3.06 GHz

Core i3-550 3.2 GHz

Core i5-680 3.6 GHz

Core i5-760 2.8 GHz

Core i7-870 2.93 GHz

21.5" Apple iMac Aluminum (Thick Edge) Mid 2010


iMac 11,2 A1311 - 2389 

Model Numbers




Processor and memory

  • 3.06GHz Intel Core i3 processor with 4MB level 3 cache; supports Hyper-Threading
  • 3.2GHz Intel Core i3 processor with 4MB level 3 cache; supports Hyper-Threading
  • 3.6GHz Intel Core i5 processor with 4MB level 3 cache; supports Hyper-Threading and Turbo Boost

1333MHz DDR3 SDRAM; four available SO-DIMM slots support each supports 4GB of ram for a total up to 16GB

Connections and expansion

  • One FireWire 800 port; 7 watts
  • Four USB 2.0 ports


  • 10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector)

Graphics and video support

  • ATI Radeon HD 4670 with 256MB of GDDR3 memory (not included)
  • ATI Radeon HD 5670 with 512MB of GDDR3 memory (not included)
  • Mini DisplayPort output with support for DVI, VGA, and dual-link DVI (adapters sold separately)
  • Support for extended desktop and video mirroring modes
  • Simultaneously supports full native resolution on the built-in display and up to a 30-inch display (2560 by 1600 pixels) on an external display

All our products are covered by our own 60 day warranty.  If a problem arises we want to work through the situation with you.  Happy customers are the way we continue to grow and we are here to help.

Our Process 

  • Identify the problem by assisting with a diagnoses and trouble shooting.
  • Determine the best way to resolve the issue.  Our preferred method is to replace the defective item whenever possible.
  • We do ask to share the cost of shipping, we will pay for outbound shipping and ask our customers to cover inbound shipping costs
  • If we cannot send a replacement we will issue a refund for the original purchase price less any shipping costs.
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