“For this Mac” is a dynamic preset we created for Mac devices. It doesn't apply the same configuration on all devices. Instead, it assigns settings and resolution based on your Mac’s hardware capabilities to deliver an optimal balance between visual quality and performance. That means that the more powerful your hardware is, the higher the applied settings are. For example, for a Mac Studio with a M2 Max chip, it will apply High graphics settings with 1920x1080 resolution (using MetalFX DRS) and target 60 FPS.
Note that the “For this Mac” preset doesn't automatically enable Ray Tracing in any of the configurations. If you want to play with Ray Tracing, you will need to enable it manually.