End-2027 company capacity: more than 600 MW live or under contract.
These are capacity-equivalent estimates—not TSMC delivery forecasts. Product mix, CS-4 configurations, utilization, yields and non-Cerebras equipment can materially change wafer requirements.
Build-out evidence through H1 2026
Cash PP&E purchases: $548.9M.
Gross PP&E increased $589.2M; net PP&E increased $549.4M.
Construction in progress increased $440.6M.
Completed data-center/computer equipment increased only $126.2M—this line alone materially understates the build.
Inventory declined $31.0M, including a $19.2M excess/obsolete/scrap charge tied primarily to the next-generation product transition.
Prepaid expenses increased $136.3M; supplier identity was not disclosed.
TSMC visibility
No public wafer quantities or delivery schedule for Q3 2026, Q4 2026 or 2027.
Management says wafer supply is sufficient through 2027 and system manufacturing capacity will exceed 10× during 2026.
The 10-Q says Cerebras has no formalized long-term TSMC supply or allocation commitment.
Bottom line: Cerebras is early in a very large deployment ramp. Disclosures support the build's scale but do not let investors verify quarterly wafer receipts or TSMC spending.