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Sankey diagram of Western Digital Corporation. A complete text table follows the diagram.
High-capacity drive demand lifted revenue 45% and gross margin by ten points, but a $2.73 billion Sandisk mark-to-market gain made reported net income larger than quarterly revenue
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All flow values are directly reported. Cloud, client and consumer revenue are exact filing values. Net interest and other income is shown as the reported $2,169M aggregate because its positive and negative components cannot all be represented as a single nonnegative Sankey source.
Labels and narrative explain the filing. A category marked “arithmetic bridge” or “residual” is calculated from reported totals, rather than a separately reported line.
| Category | Stage | Value | Notes |
|---|---|---|---|
| Cloud storage | 1 | $3.0B | 89% of revenue; up 48% |
| Client devices | 1 | $179M | 5% of revenue; up 31% |
| Consumer storage | 1 | $186M | 6% of revenue; up 24% |
| Net revenue | 2 | $3.3B | Up 45% year over year |
| Gross profit | 3 | $1.7B | 50.2% gross margin |
| Cost of revenue | 3 | $1.7B | Newer-generation drive cost base |
| Operating income | 4 | $1.2B | 35.7% operating margin |
| Research & development | 4 | $294M | High-capacity drive roadmap |
| Selling, general & administrative | 4 | $147M | Corporate and commercial support |
| Business realignment | 4 | $45M | Restructuring the standalone HDD business |
| Net interest & other income | 4 | $2.2B | Driven by retained Sandisk stake |
| Income before tax | 5 | $3.4B | Includes non-operating valuation gain |
| Net income | 6 | $3.2B | $8.20 diluted EPS |
| Income tax | 6 | $154M | 5% effective rate |
| From | To | Value |
|---|---|---|
| Cloud storage | Net revenue | $3.0B |
| Client devices | Net revenue | $179M |
| Consumer storage | Net revenue | $186M |
| Net revenue | Gross profit | $1.7B |
| Net revenue | Cost of revenue | $1.7B |
| Gross profit | Operating income | $1.2B |
| Gross profit | Research & development | $294M |
| Gross profit | Selling, general & administrative | $147M |
| Gross profit | Business realignment | $45M |
| Operating income | Income before tax | $1.2B |
| Net interest & other income | Income before tax | $2.2B |
| Income before tax | Net income | $3.2B |
| Income before tax | Income tax | $154M |