Micron's $54.2B Quarter: Where Did the Data Center Mix Land?

Micron released fiscal Q4 results on September 30 for a quarter ended September 3. For MU researchers, the useful question is how much reported revenue came from its two data center business units. These units are not a measure of AI revenue.

The mix behind the $54.229B quarter

Cloud Memory reported $16.283B and Core Data Center $18.002B. Together they contributed $34.285B, or 63.2% of $54.229B total revenue. In fiscal Q3, the same two units contributed $25.293B of $41.456B, or 61.0%. Their reported revenue share rose 2.2 percentage points. Figures and calculations use Micron’s segment table; shares are rounded.

Fiscal quarterCloud Memory + Core Data CenterTotal revenueShare
Q3 FY26$25.293B$41.456B61.0%
Q4 FY26$34.285B$54.229B63.2%

Three checks for the next report

  1. Will the two-unit share hold or reverse in fiscal Q1?
  2. GAAP gross margin was 86.8% in Q4 versus 84.6% in Q3. Compare GAAP with GAAP.
  3. Q4 operating cash flow was $43.97B and net capex $10.77B. Micron’s $33.20B adjusted free cash flow is a non-GAAP metric. Fiscal Q1 FY27 revenue guidance of $61.5B ± $1.5B is an outlook, not an outcome.

Primary source: Micron fiscal Q4 and FY26 results, announced September 30, 2026. Fiscal Q4 ended September 3, 2026.

SignalSage by MerlaTech helps organize US stock research and AI stock analysis. English UI; some features require in-app purchase or subscription. iPhone and Android download hub.

AI-assisted writing; original data chart calculated from Micron’s release. Research only, not a return forecast.

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