Graphics Card Installation Guides:

1. Installation in a Mac Pro 1,1 (2006), 2,1 (2007), or 3,1 (2008)

2. Installation in a Mac Pro 4,1 (2009) or 5,1 (2010-2012)

3. Installation in a Mac Pro 4,1 (2009) or 5,1 (2010-2012) using additional SATA power connector (for cards with 6+8-pin power connector)

4. Installation in a Mac Pro 4,1 (2009) or 5,1 (2010-2012) using additional SATA power connector (for cards with 8+8-pin power connector)

5. Installing NVIDIA Web Driver / CUDA driver under macOS

6. Installing NVIDIA drivers under Windows

7. Installing AMD drivers under Windows

8. Installing HDMI audio / DisplayPort audio macOS drivers

9. Setting proper speeds for Mac Pro PCI and PS fans (Mac Pro 4,1 or 5,1 only)

10. Installing MacVidCards patch for AMD Radeon RX 5500 XT/RX 5600 XT/RX 5700/RX 5700 XT/W5500/W5700 cards under macOS Catalina 10.15.5 or later


macOS Installation Guides:

1. Installing macOS Mojave 10.14 and performing Mac Pro 5,1 Boot ROM update

2. Installing macOS Catalina 10.15 on unsupported Mac Pro

3. Installing macOS Big Sur 11 on unsupported Mac Pro



1. How to identify my Mac Pro model and Boot ROM?

2. How to check macOS version and build?

3. Which graphics card is best for my Mac Pro model/macOS version?

4. What are the benefits of buying a MacVidCards flashed card?

5. Why my graphics card shows incorrect 2,5 GT/s or 8,0 GT/s link speed?

6. Do I need macOS drivers for my graphics card?

7. Why do fans on my graphics card are stopping when it's idle?

8. Why there is a black background with text on boot before Apple logo?

9. Do I need an additional power supply?

10. Is it possible to install two or more cards?

11. My graphics card is Metal capable, but macOS Mojave installer still complains about lack of Metal support

12. Is there a support for Windows in UEFI mode?

13. Why there are artifacts on boot or shutdown?

14. Why boot picker doesn't work?

15. How to set a custom resolution if the desired one is not on the list?

16. How to upgrade Mac Pro 4,1 from macOS High Sierra incorrect build 17G65 or 17G66?

17. How to force enable NVIDIA Web Driver under macOS if its not working after installation?