I had a couple of machines from Hush Technologies (long since out of business), also ~10 years ago. They were passively cooled through a finned chassis, connect

I had a couple of machines from Hush Technologies (long since out of business), also ~10 years ago. They were passively cooled through a finned chassis, connected to the CPU and other hotspots by heat conducting pipes. Like yours, sounds like the same sort of thing as these Airtop machines.