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Cerebras CS-3
System
AI Server
Shipping
One wafer, one box: 23 kW around a single enormous chip.
You're looking at a system record: an assembled machine — a server or a whole rack — with what's inside it and where it's deployed.
The CS-3 packages the wafer-scale WSE-3 with its custom power delivery and water cooling in a 16U chassis. Clusters of them (Condor Galaxy program with G42) reach exaflop class; memory for weights lives in external MemoryX appliances streamed over SwarmX fabric.
Specifications & key facts
Each figure is labeled by basis: vendor spec, vendor claim, reported, estimate, or official. "Not publicly disclosed" means exactly that — we never invent values.
Overview
Configuration
1 × WSE-3 wafer + MemoryX/SwarmX scale-outVendor spec
Power
System power
~23 kWVendor spec
How this connects to the rest of the stack
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Designed by
Cooling
Contains
Sources
Record reviewed as of 2026-01-15 — see Methodology.