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| Model | Minimum Year | |-------|---------------| | MacBook | Late 2009 or newer | | MacBook Pro | Mid 2010 or newer | | MacBook Air | Late 2010 or newer | | Mac mini | Mid 2010 or newer | | iMac | Late 2009 or newer | | Mac Pro | Mid 2010 or newer |

It is often the "ceiling" for older Mac models that cannot support APFS (Apple File System) introduced in later versions like High Sierra. Mac Os Sierra 10.12.6 Dmg File Download