Upgrade Core 2 Duo 3.06 GHz to a newer I Series CPU? - iMac Intel 27" EMC 2309 and 2374 - iFixit
Someone gave me this unwanted Mac, anyone know if you can upgrade the graphics cards on these ? Keep seeing conflicting information it's a 24" early 2009 imac : r/mac
List of Intel Core 2 processors - Wikipedia
Core Duo/Core 2 Duo MacBook CPU Upgrading | MacRumors Forums
iMac 21.5" Late 2009 (10,1) - CPU Upgrade E8600 | MacRumors Forums
anyone what what cpu can be used to upgrade for a imac 20" early 2009 EMC 2266 intel core 2 duo to something better? : r/mac
Apple iMac Core i5 i7 27" Late 2009 Logic Board MB953LL/A A1312 820-27 - Part Haven