5 Things to Know Before Upgrading Your 2009 or Later iMac
Upgrading The Processors On My Early 2009 Mac Pro At A Bargain Price | ErikNaso.com
iMac 21.5" Late 2009 (10,1) - CPU Upgrade E8600 | MacRumors Forums
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