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iMac "Core 2 Duo" 3.33 21.5" (Late 2009) Specs (Late 2009, BTO/CTO, iMac10,1, A1311, 2308): EveryMac.com
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Can I upgrade the logic board in a Late 2009 iMac 27” from the Core-2-Duo to the i5/i7 variant? : r/macbookrepair
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memory - What can be replaced/upgraded in a late-2009 iMac to make it run like a 2014-2016 iMac? - Ask Different
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