Answer

Please connect the audio output device to the front panel, then set the sample rate as 32-bit/384kHz in Realtek Audio Control.
The highest sample rate will be capped at 32-bit/192kHz when audio output device is connected to the rear panel.

Models

MAG Z690 TOMAHAWK WIFI DDR4, MEG Z690I UNIFY, MAG Z690 TOMAHAWK WIFI, MEG Z690 UNIFY-X, MEG Z690 UNIFY, MAG Z690 TORPEDO EK X, MPG Z690 EDGE WIFI DDR4, MPG Z690 FORCE WIFI, MPG Z690 CARBON EK X, MPG Z690 CARBON WIFI, MAG Z690 TORPEDO