All Macs launched in 2011 or later are supported except:
2012 Mac Pro “Quad Core” using the Intel® Xeon® W3565 Processor.
In addition the following are also supported:
2010 Mac Pro “Six Core”, “Eight Core” and “Twelve Core”.
macOS 10.13 High Sierra or later
Metal Host Graphics Rendering Engine requires an Apple Mac computer which supports Metal
See Apple's documentation regarding Metal supported Macs: https://support.apple.com/en-us/HT205073