Issue with Portable Jellyfin Installation on Windows

[theguymadmax]

For naming, that’s your call, but I suggest keeping it similar to Jellyfin's path. For example:
.\jellyfin.exe --datadir "E:\ProgramData\Jellyfin\Server"

Which ever drive has the faster read/write speeds. If it's a mechanical hard drive then then I'd go with the  SD card.