While HP's "The Machine" specifically appears to never have gone beyond the marketing phase, I think your excitement about the underlying technologies - silicon photonics combined with nonvolative memory combined with resource disaggregation - is valid [0], and they are probably coming.

You can buy NVM today [1], and building systems for resource disaggregation work is an active problem [2].

[0] https://www.usenix.org/conference/fast14/technical-sessions/...

[1] https://www.intel.com/content/www/us/en/products/memory-stor...

[2] https://www.usenix.org/system/files/osdi18-shan.pdf