・120 Hz Output: Select whether to enable 120 Hz (max.) video output. When outputting to 120 Hz, the rendering resolution and quality of effects will adjust according to the graphics priority and VRR (variable refresh rate) settings that have been applied. To enable 120 Hz, you must set the '120 Hz Output' option to ‘Automatic’ in the Video Output section under 'Screen and Video' of your system's Settings. Ray tracing will not be enabled for replays when outputting to 120 Hz.
You will not be able to select 120 Hz Output in the following cases:
・Your monitor is not compatible with 120 Hz.
・The 120 Hz Output option has been disabled from the system software 'Settings' -> 'Screen and Video' -> 'Video Output'.
・You are using the PlayStation®VR2.