Apple iMac A1225 desktop computers from 2008 came with the notoriously unreliable Nvidia 8800GS graphics card that burns out and turns the iMacs into bricks. Getting a new Nvidia 8800GS graphics card costs about $650 for the part. Getting a used one on costs about $300. Is there a cheap alternative -- something that costs, say, $50? As I understand it, the only alternative is the ATI 4850, which go for about $300 used. Yet I find it hard to believe that there are no other graphics card options.
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