How to Upgrade iMac RAM (20" and 24" Aluminum): EveryMac.com
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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
24″ iMac (Early 2009) | Low End Mac
iMac Memory RAM - Macfixit Australia
Apple iMac 24-inch Early 2009 - 2.66GHz Core 2 Duo Apple Memory & SSD Upgrades