Here is my Setup.
First is my Roon core Server:
Intel Core i5 @ 3.3GHz
16GB DDR3
Internal Intel 250GB SSD
MiniPro 1TB External USB 3.1
Water cooled Headless.
Debian Jessie x86_64
Second is my Primary Listening Headphone Stack.
The Stack from Bottom to top:
iFi iUSB
iFi Gemini Cable
iFi micro iDSD
iFi iTube
iFi iCan
Next to it you see a iFi nano iDSD which connects to my main desktop and links to a Schiit SYS which than splits to my Corsair SP2500 Speakers.
Headphones:
Monolith M1060
HiFiMan HE-560
Links via USB to a Raspberry Pi2 Running MoodeAudio with Roon-Bridge.
Than we have my Secondary Listening Stack.
This Stack from bottom to top:
Schiit Multibit Bifrost DAC
Schiit Asgard 2 AMP.
Links via USB to a Raspberry Pi3 Running MoodeAudio with Roon-Bridge.(Right next to it)
Last but not least is my desktop.
Core i7 6700 @ 3.4Ghz
32GB DDR3
Internal Samsung EVO SSD
Debian Jessie x86_64
Roon-Bridge
Around the House I have:
Three Sonos Play:1 (One in the kitchen, one in the Game Room, one in the Master Bed Room),
One Sonos Play:2 (Living Room)
Three Logitech Squeezebox (One in each kids bedrooms)