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The Early 2009 Mac Pro—also known as the Mac Pro 4,1—introduced Intel's Nehalem architecture to Apple's line of professional desktop computers in March 2009. The Mac Pro 5,1 used the same interior design but received further CPU updates in 2010 and 2012.

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Mac pro 5,1 metal upgrade not flashed

I upgraded my mac pro 5,1’s gpu from ati radeon hd 5770 to radeon rx 570 and when i upgraded it its not booting to high sierra and it takes me to macos utilities and it wont let me boot into my 120gb ssd

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1 Answer

What is your SSD? SATA or NVMe.

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