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21.5 iMac Mid 2011 12,1 A1311 820-3126 Logic Board Core I5 "CPU Not Included"

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  • Replacement Logic Board for the Mid 2011 21.5" iMac.  This part was used in all Configurations of the Mid 2011 Model.

    No CPU is included with this Board.

    Please note there was an educational model released in Late 2011 with a core i3 CPU which cannot use this board.

    Compatibility 

    21.5" Apple iMac Aluminum (Thick Edge) Mid 2011

    Identifiers

    iMac 12,1 A1311 - 2428 Mid 2011

    Model Numbers

    MC309LL/A MC812LL/A
     Specs

    Supported Processors

    • 2.5GHz quad-core Intel Core i5-2400s with 6MB on-chip L3 cache
    • 2.7GHz quad-core Intel Core i5-2500s with 6MB on-chip L3 cache
    • 2.8GHz quad-core Intel Core i7-2600s with 8MB on-chip L3 cache

    Memory

    • Slots Available Four (4)
    • Speed 1333MHz DDR3 memory
    • Max of 4GB per Slot (total supported ram 16GB)

    Graphics

    • AMD Radeon HD 6750M graphics processor with 512MB of GDDR5 memory (not included)
    • AMD Radeon HD 6770M graphics processor with 512MB of GDDR5 memory  (not included)

    Video Support and Camera

    • 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
    • Support for extended desktop and video mirroring modes

    Audio

    • 17-watt high-efficiency amplifiers
    • Headphone/optical digital audio output (minijack)
    • Audio line in/optical digital audio input (minijack)

    Connections and Expansion

    • One Thunderbolt port
    • Mini DisplayPort output with support for DVI, VGA, and dual-link DVI (adapters sold separately)
    • One FireWire 800 port; 7 watts
    • Four USB 2.0 ports
    • 10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector)

      Fully Tested To be Working and backed by our 30 Day Warranty.
      Used

    • Brand:  Apple
      Form Factor: iMac
      Compatible CPU Brand: Intel
      CPU Clock Speed: [[CPU Clock Speed]]
      CPU L2 Cache:  [[CPU L2 Cache]]
      CPU L3 Cache:  [[CPU L3 Cache]]
      Most Suitable For:  [[Most Suitable For]]
      CPU Bus Speed: [[CPU Bus Speed]]
      Number of CPU Cores: [[Number of CPU Cores]]
      CPU Bus Speed:  [[CPU Bus Speed]]

      Number of Memory Slots:  4
      Input/Output Ports:  [[Input/Output Ports]]
      Features: 
      Model: 
      CPU Series:  [[CPU Series]]
      Socket Type:  [[Socket Type]]
      Memory Type:  DDR3 SDRAM
      MPN:  820-3126
      Custom Bundle: 
      Expansion Slots:  [[Expansion Slots]]
    • MC309LL/A, MC812LL/A, MC812LL/A BTO
      A1311

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