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high sierra to monterey with new metal card

  1. Caligator

    MP 1,1-5,1 Wanting to upgrade Mac Pro Mid 2012

    I'm somewhat of a newbie, I want to upgrade my MacPro5,1 and I'm not sure what to do next. Currently running High Sierra 10.13.6. 32GB Memory, 3.2 GHz Quad-Core Intel Xeon and standard card ATI 5770. I just bought AMD Radeon HD 7970 3GB. Flashed to support native EFI boot screen on Mac Pro...