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Google TPU 8i Boardfly system

1,024 active chips (1,152 connected)observed

Value kindobserved — Reported measurements, counts, and specifications keep the precision and scope stated by their source; an exact specification is not treated as a range.
ScopeGoogle: up to 1,024 active chips of 1,152 connected by Boardfly (36 groups of 8 boards × 4 chips, groups linked through OCS). Google does not say why only 1,024 of the 1,152 are active. Announced topology, not a guaranteed service slice or a general coherent memory space.
As of2026-04-22
SourceGoogle architecture account, published 2026-04-22.
Reviewchecking…review by 2026-12-05 · standard cadence
Recorded changeslast 2026-10-05 · 2 revisions tracked
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