Mac Mini M2 Pro Monitor Connection With 4k 60hz (Thunderbolt) + 2k 240hz (Hdmi)

The M2 Mac mini Pro can have one display on the HDMI port and two displays on the Thunderbolt/USB-C ports.

Personally I would go with a USB-C to DisplayPort cable to the 27M1F5500P 2K 240Hz

for example > https://www.amazon.com/dp/B09M38CXZ3/ref=sspa_dk_detail_0?

Then perhaps a second USB-C to DisplayPort cable to the 276E8VJSB 5ms 60Hz

instead of paying for a higher quality premium certified HDMI cable.

USB-C to DisplayPort offers more res. and refresh rate options than HDMI.

Visit "Display Support" for the M2 Mac mini Pro, at > Mac mini - Technical Specifications - Apple

Then check out the M2 Mac mini Pro section, at > Connect a display to Mac mini - Apple Support

Note that you may need to replace the factory supplied cable with a premium certified HDMI cable or use a USB-C to DisplayPort cable, if the display also supports DisplayPort.

What displays do you have or are considering?

(brands, models, connections)

The Mac mini and macOS can use most any display at or close to the native resolution.