Nucleus is the center of your Roon music system. It’s the housekeeper, the traffic cop, and the brain that takes care of the music in your life. Using Nucleus, Roon manages all your music – on hard drives, NAS, and streaming content – and allows you to play it on all the audio devices around your home. Nucleus is the best way to run Roon, at any price.

Just plug Nucleus into your network, connect your hard drives, download Roon remote apps (iOS, Android, macOS, Windows) and you’ll be ready
to play music using a wide variety of audio devices including AirPlay, Chromecast, Sonos and BlueSound. Roon partners with multiple audio brands including Naim, Mcintosh, Meridian, Bryston, Moon and many others.

Aside from being a powerful, fanless music server, what sets Nucleus apart is that it’s powered by Roon OS – a fast and lightweight operating system optimized to play music. Roon is also a multi-room, multi-user networked audio platform built to the exacting standards of audiophiles, so it offers features like bit-perfect playback, MQA, DSD and PCM upsampling, multichannel playback, and signal path display.

Roon is also C4 and Crestron certified, offering DSP control to multi-zone systems giving the integrator the ability to optimize the sound in any zone. 

Here are the specs for the Nucleus+ 

Fanless, Thunderbolt 3, i7 Processor, 8GB of RAM and 128GB OS SSD. Libraries over 12,000 albums (120,000 tracks), multi-room systems over 5 zones, and extensive DSP (upsampling, convolution, etc).