It has a 512GB SSD, 32GB RAM, and has been upgraded to macOS 15.5 Sequoia. The March 18, 2020 revision with a standard 512 GB SSD is order number MXNG2LL/A. Also see: All Macs with the A1993 Model Number, the 3213 EMC Number, and the Macmini8,1 Model Identifier.
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