The Real Bottleneck in AI Hardware Isn't the Chip — It's the Substrate
This story is from 2026-09-16. It is preserved in the archive; the latest stories are on the live feed.
If you've been following the AI hardware race, you've probably seen plenty of coverage about GPU shortages, HBM capacity, and advanced packaging. But there's a layer beneath all of that which gets far less attention — and it may be the most critical bottleneck of all. The substrate. And in most cas…
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- 2026-09-16 02:12 · DEV Community — AI
The Real Bottleneck in AI Hardware Isn't the Chip — It's the Substrate