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

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

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