[willis936]

I mostly see dollar signs. It's a very dense board and every square inch has a ton of high speed I/O. I imagine there are thousands of buried vias. Economies of scale help and the things being installed also cost a lot, but I'm still curious how much of their BOM cost is board fab.

[formerly_proven]

These things have started to look a lot like big iron CPUs from the late 90s with unusually thicc PCBs, being crammed full of (then cache) memory chips around a huge chip or two in the center, periphery lined with odd high-speed connectors and power delivery etc