Have a Samsung g9 with a MacBook Pro 2019 connected with a DisplayPort to usb cable. Has worked for 2 years though I just updated my MacBook and it now displays like
Odyssey G9 NEO + WFH/Gaming Setup! (Feel Free to ask questions regarding Productivity for working) : r/ultrawidemasterrace
Samsung G9 Odyssey Monitor: Will it work and how? | MacRumors Forums