Summary of Western Digital's Q4 2026 Earnings Call

1Key Financial Results and Metrics

Revenue: $3.75 billion, up 44% year-over-year.

Full Year Revenue: $12.9 billion, a 36% increase.

Gross Margin: Expanded to 54.4%, up 1,310 basis points year-over-year.

Operating Margin: 44.2%, up 1,610 basis points year-over-year.

Earnings Per Share (EPS): $3.56, a 109% increase year-over-year.

Free Cash Flow: $1.3 billion for Q4, with a free cash flow margin of 34%.

Shareholder Returns: $3.1 billion returned to shareholders, including $1 billion in share repurchases.

2Strategic Updates and Business Highlights

Transitioned to a focused pure-play HDD company, enhancing operational efficiency and product innovation.

Strong demand driven by AI workloads and cloud services, with HDDs maintaining a significant share (80%) in hyperscale data centers.

Introduced next-generation products: 40-terabyte ePMR drives began shipping, with plans for a 44-terabyte HAMR product in early 2027.

Continued engagement with hyperscale and cloud customers, with positive feedback on new product qualifications.

3Forward Guidance and Outlook

Q1 FY 2027 Revenue Guidance: Expected to be $4.1 billion (± $100 million), reflecting a 45% year-over-year growth.

Gross Margin Guidance: Projected to be between 55% and 56%.

Operating Expenses: Anticipated in the range of $390 million to $400 million.

EPS Guidance: Expected diluted EPS of $4 (± $0.15).

Confidence in sustained demand growth driven by AI, cloud, and data-intensive workloads.

4Bad News, Challenges, or Points of Concern

Exabyte Shipment Growth: Year-over-year growth of 22% in Q4 was below the previously expected 30%, raising concerns about potential normalization in growth rates.

Competitive Pressures: Competitors are reportedly achieving better sequential growth and higher gross margins, prompting questions about Western Digital's pricing strategy and market position.

Pricing Dynamics: While pricing has improved, the reliance on long-term agreements (LTAs) could limit flexibility for further price increases in the near term.

5Notable Q&A Insights

Management acknowledged quarter-to-quarter variations in gross margins due to timing of contracts and product mix, emphasizing confidence in long-term margin expansion.

Discussions around LTAs extending into 2029 and beyond indicate strong customer demand and visibility.

The emergence of physical AI and its data storage needs was highlighted as a new growth driver, alongside traditional AI workloads.

Management expressed optimism about the ability to deliver more exabytes and improve pricing through higher capacity drives and operational efficiencies. Overall, Western Digital reported strong financial results and maintained a positive outlook, driven by robust demand in the AI and cloud sectors, while also addressing competitive challenges and the need for continued innovation.