Macbook pro 2019 cannot connect with MSI monitor (usb-c) via Thunderbolt 4

https://www.msi.com/Business-Productivity-Monitor/Modern-MD272QP-Ultramarine

27", 2560x1440 pixels, 75 Hz. 1 HDMI input, 1 DisplayPort input, and one USB-C (DisplayPort) input with 65 watts power delivery.

The resolution should not be a problem for your MacBook Pro. A good quality USB-C to USB-C cable would probably be the best way to connect. (It would deliver power to your notebook, and presumably also deliver data to the downstream USB-A ports on the monitor.) But USB-C to DIsplayPort or USB-C to HDMI adapter cables should work as well.

The only thing that stands out offhand is 75 Hz, as opposed to 60 Hz. But the specifications claim that the video input is compatible with Macs and that the refresh rate is "up to 75 Hz" (so I'd guess that the monitor would work with a 60 Hz refresh rate, as well).

Note that all USB-C cables are not created equal – some only support charging. So if you have any doubts about the cable (especially if it didn't come with the monitor), you might want to try another one.

What is the specific MSI monitor model?

MacBook Pro (16-inch, 2019) - Technical Specifications

----------

Video Support

Simultaneously supports full native resolution on the built-in display at millions of colors and:

• Up to two displays with 6016‑by‑3384 resolution at 60Hz at over a billion colors
• Up to four displays with 4096‑by‑2304 resolution at 60Hz at over a billion colors

Thunderbolt 3 digital video output

• Native DisplayPort output over USB‑C
• VGA, HDMI, DVI, and Thunderbolt 2 output supported using adapters (sold separately)

----------

MSI MD272QP