I’m serious I can’t tell what it is. Something with all the benefits of on prem and cloud without the costs of either.

Change "something" to "a computer" and you got it!

It's a big ass computer (technically many computers in a rack) that gives you a cloud provider style API to manage on-premises infrastructure. Plug it in, connect to the web console or API, and provision yourself some sweet sweet virtual machines, disks, and VPCs.