Macs released since 2017 are compatible with macOS 11 Big Sur.
Macs that were released in 2017 or later, and are quad-core or better, include:
Apple Mac Pro with Music To Go 651 (3rdgeneration) or later
iMac (2018 or later)
Mac mini (2018 or later)
Several other models of recent MacBook and MacBook Pro laptops also support macOS 11 Big Sur. Please visit Apple's website to see if your specific model is compatible.
There are a few older Mac models that are not compatible with macOS 11 Big Sur. These older Mac models include: