How many power supply devices do I need?

Depends on where you live. Contact your local utility to determine whether they need to build a new dam or coal fired plant and run dedicated lines for each component. 

This sadly is the point where it must be stated I am kidding. Just plug them in. No kidding.

Good humor MC

I find it interesting that you would not spend a few hundred $$$ on an Endpoint/Streamer to isolate your DAC from the Core/Nucleus but you are willing to spend several hundred $$$, or more, for one or more Linear Power Supplies... Good luck...

Just get Teddy Pardo's to replace any wall warts. Most all power values are available.

ddude
so connecting nucleus directly Via usb to dac is not healthy? 

so I need a device between these two components? Which ones make sense.  My wife is away and she left me some blank checks. Thanks.