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3004

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)

    • 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

    Customer Reviews

    Based on 3 reviews
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    p
    peppino giuseppe

    I have to mount it but seems to be fine

    J
    Jada Jackson
    iMac 27" Upgrade Needed and IR Sensor Fast!

    Can't say enough about PartHaven. I was doing an upgrade on my mid-2011 iMac 27" that I'm trying to hold onto. As I was following some instructional video from OWC (which were great) I broke an IR Sensor trying to unplug to get access to the drive area. Wow, it was broken. In the middle of the night. I was broken. The upgrade was almost finished then that happened. I searched everywhere online from eBay to places unknown. Actually purchased one on eBay but it had some delivery date that I couldn't understand. I kept the order in but kept searching. That's when I came across PartHaven. I saw the part and began the purchase. For some reason, in the middle of the night someone was manning the Chat box. I was able to ask questions and got confidence in the purchase and delivery. The part arrived according to plan (the eBay one still hadn't come). The iMac is working the PartHaven part. No issues. I come here first for my part and their counsel and support. This is a great! I highly recommend them.

    s
    sergei bogdanov
    Mother board

    very satisfied with the high level of service. thanks

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