Is this all I need for hardware/software for a hifiberry endpoint?

I try to do a proper power down…you can save the powwerdown web page as a link and just whack that to shut it down, but I have more than 10 of these around the house and haven’t lost one yet to an instant plug pull or power outage.

In case you haven’t found it RoPieee Beginner's Guide Nathan’s doc is a great place to start with Ropieee