Use Early 2009 24" iMac as an external for 2015 15" MacBook Pro Retina | Canadian Mac Forums at ehMac
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
Apple iMac 24-inch Early 2009 3.06GHz Intel Core 2 Duo (MB420LL/A) – UNICOM, Inc.
Apple iMac 24in - 2009 Edition Review | Trusted Reviews
Apple iMac 20-inch Early 2009 2.66GHz Intel Core 2 Duo (MB417LL/A) – UNICOM, Inc.