Building a ROCK system

Yes, I think so … this would be equivalent to the Nucleus.

Library capacity

Up to 10,000 albums (100,000 tracks)

Multi-room streaming

Up to 6 simultaneous zones

DSP capability

All DSP functions available in the PCM domain. Certain combinations of functions using DSD source or destination formats, upsampling, or multichannel processing may not be possible.

You can buy the components direct from Amazon for 330GBP (8th Generation i3 NUC.) See ROCK for Small to Medium Size Library in the KB.