System Requirements. Original address https://mac.orsoon.com/Mac/178827.html
At present, the developer beta version of macOS Big Sur has been announced, and the official version will be launched in the fall. The following are all Mac computers that can be upgraded and compatible with macOS 11.0:
MacBook in 2015 and later
MacBook Air in 2013 and later
MacBook Pro 2013 and later
Mac mini in 2014 and later
IMac in 2014 and later
IMac Pro in 2017 and beyond
Mac Pro in 2013 and later