New Jelly Fin user

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I had read that it was better to use the higher performance SSD for running the apps and the lessor performance disk (hard drive) for storing media.

Yes, 100% use the SSD for hosting apps. Reading/writing media happens at 1x when streaming direct. Much higher when transcoding, but that's a different story. The apps, however, you want to respond as quickly as possible to user input. This means reads/writes happen as quickly as the slowest bottleneck in the pipeline.

No dumb questions but those left unasked.

Make sure to consult the install guide and the docs: https://jellyfin.org/docs/general/installation/. (Updates coming soon-ish...I'm trying to find free time to help with a revamp.)