Re. Is a 192kHz sample rate via TOSlink available on all current Mac's?

I'm looking for a music server that will output audio at a sample rate of 192kHz via TOSlink (optical digital), the only device I'm aware of that supports 192kHz is the late 2013 MBPR.
Could someone please tell me the sample rate of the TOSlink output on all of the current iMac's, Mac mini's &  MacBooks?
Thank you.

1- Start a new thread for this as it is completely unrelated (and what are the files?)
2- Same, but close enough, if you highlite PCM, there should be a drop down menu with AIFF as an option.
3- There probably is a difference, but you can't tell because it's a non-musical event. When you first drag the airlock sound, it should have asked you if you want to change your project to 48, because that is what that sample is.
So you chose to keep the project at 44, then changed to 48. Try this: Place the playhead at the very end of the region, and make a note of the time. Change your project sample rate. Now you can confirm that the region is playing faster/slower. Or bounce one of each at 44/16 and then import them into a new project.

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