The Samsung Odyssey G7 - G70B is generally compatible with current Mac Minis as long as they have HDMI 2.1. However, Macs are usually equipped with HDMI 2.0, which means that you may need an adapter to utilise the full bandwidth. The connection should still work, but the maximum refresh rate or resolution may be limited.

Where did you get that idea? Was delivered new without any traces. Runs under Linux without any problems and full 4K resolution Install menu is a bit tedious, but okay