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The iMac (Retina 5K, 27-inch, 2020) was released on 4 August 2020.
There are two firmware identifiers, iMac20,1 and iMac20,2.
Operating System
- First Release: macOS Catalina (10.15)
- Latest Release: macOS Sonoma (14.5), macOS Sonoma (14.5)
- Latest Beta Release: macOS Sequoia (15.0 beta 4), macOS Sequoia (15.0 beta 4)
External links
Tech Specs on support.apple.com
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