There are a few catches to the HDMI Alt Mode, however: the specification uses the older HDMI 1.4b standard, instead of the newer HDMI 2.0b, meaning that HDMI Alt Mode for USB-C connections will be ...

The M4 Pro version will have five USB-C ports, with three on the back and two on the front like the Mac Studio. That model will also keep its existing Ethernet port, HDMI connector and headphone jack.