Compatibility of MacBook Pro M4 with monitor Asus ProArt pa27ucx-k

The ASUS ProArt Display PA27UCX-K is a 27" display with a resolution of 3120x2160 pixels, a refresh rate of 60 Hz, and support for 10-bit-per-channel color.

It has several inputs:

• USB-C (DisplayPort Alt Mode)
• DisplayPort (version 1.2)
• HDMI (version 2.0) (two of these)

So there are several ways that you could connect it to a M4 MacBook Pro – including

• With a USB-C to USB-C cable (that is rated as being able to carry 4K video)
• With a USB-C to DisplayPort adapter cable
• With a HDMI to HDMI cable
• Through a DisplayPort or HDMI port on a hub or dock
• Through a downstream Thunderbolt port (hub port or daisy-chaining port) on a Thunderbolt hub or dock that supports the attachment of regular USB-C displays or USB-C display adapters

If I remember correctly, HDMI v2.0 has bandwidth that prevent you from having all of

• UHD 4K resolution
• A 60 Hz refresh rate
• 10-bit-per-channel color
• RGB 4:4:4 representation

at the same time. So you could have (60 Hz, 8-bit-per-channel color) or (30 Hz, 10-bit-per-channel color). The use of 8-bit-per-channel color might not be of concern to you, but if it is, I would suggest going with a USB-C or DisplayPort connection to the display.