iMac Intel 27". EMC 2309 (Late 2009, Core 2 Duo 3.06 or 3.33 GHz), EMC 2374 (Late 2009, Core i5 2.66 GHz or Core i7 2.8 GHz)

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I need a Logic Board for my iMac 27

Hello, I need a Logic Board for my iMac 27; it is i5, 27inch Late 2009 A1312,Serial No: W8000222X5RU; EMC No: 2374; but i'm not sure of witch one that will fit to my Mac.(661-5429 or 661-5428)

It would be great if you could advise me which Logic Board should I buy! Thanks! Arunas

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Hi, I also need a Logic Board for an iMac 27. Serial No: W89474M95RU, EMC No: 2374. Could someone please tell me which logic board do I need?


@knut - You have a iMac 27" 2.8 GHz i7 (Late 2009) which is the same model as the OP. So you'll need Apple P/N: 661-5428, 2.8GHz Quad Core Intel I7


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Aruna, Checking with your serial number your iMac shows to be a 2.8 GHz Core i7 (I7-860)

Model No: A1312 (EMC 2374)

Intro Date: October 20, 2009

Disc Date: July 27, 2010

In that case the right logic board would be the 661-5428, 2.8GHz Quad Core Intel I7. The 661-5429 is a 2.66GHz Quad Core, Intel I5 board.

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Arunas will be eternally grateful.
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