This video card was purchased and used to upgrade a MacPro tower so the Mojave operating system could be installed. This was one of the "metal capable" video cards that was recommended. Reading the Mac news groups showed that this is the recommended card when doing this upgrade. I can only attest that this card supports Mojave. Others say it will support even newer operating systems. But, I can only verify that it is compatible with Mojave.
This card worked flawlessly in this application. I finally needed to upgrade to a newer machine and I'm trying to recover some of the costs.
So examine the high resolution images attached to this ad to determine if this is the card for you.