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An OAM-format accelerator module caught part-way out of its chassis guide rails on a bright lab bench, its cold plate already lifted off so the package and its ring of memory stacks are exposed, the last mezzanine connector still half-engaged

What an AI Accelerator Actually Is: Silicon, Packaging, and the Memory It Can Reach

Petaflops are the advertised number and almost never the binding one. An accelerator is a memory system with arithmetic attached, and every serious design decision of the last decade follows from that.

By Brecht Corbeel · August 8, 2026 · 16 min read

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