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Turning a 2009 4,1 Mac Pro into a 2010/2012 5,1 Mac Pro – 2021 Edition

Turning a 2009 4,1 Mac Pro into a 2010/2012 5,1 Mac Pro – 2021 Edition

Reading Time: 7 minutes Hanging out in the various Facebook groups and other communities, I rarely run into anyone anymore that has a 2009 4,1 Mac Pro that still runs the stock firmware. But there are many Mac Pro users that are not aware of those communities or of the upgrade potential and possibilities for their Macs. They don’t see this kind of information on a daily basis like this geek. I took this knowledge for granted, forgetting there’s a whole world of people…

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