Seagate Vs. Western Digital: One Moved First on AI Storage Demand. The Other Is Playing It Safe.
Seagate (STX) and Western Digital (WDC) both reported strong fiscal 2026 earnings, with Seagate's Q4 revenue at $3.63B (up 48.5% YoY) and WDC's at $3.75B (up 43.8% YoY). Seagate's 44TB HAMR drives are already shipping to 75% of top cloud customers, while WDC's competing drive is expected in 2027. Seagate's gross margin expanded to 52% from 37% YoY, and WDC's P/E is 17, attracting value-focused investors.
How this was made
The 30-second read
Why it matters
Both companies posted strong earnings beats and raised guidance, underscoring growing demand for high-capacity AI storage solutions.
Market read
Earnings highlight accelerating AI storage demand, influencing the broader data storage sector.
What to watch
Potential supply-chain constraints for HAMR drives could affect future margins.
Background
Seagate and Western Digital released FY2026 Q4 results, highlighting AI storage demand and providing guidance for FY2027.
Ticker impact
Seagate reported Q4 FY2026 revenue of $3.63B, EPS $5.71 and raised guidance for Q1 2027 revenue to $4.10B.
Potential upside as investors price in AI storage demand.
Revenue beat, EPS beat, and higher guidance indicate robust demand for HAMR drives.
Western Digital posted Q4 FY2026 revenue of $3.75B, EPS $3.56 and guided Q1 2027 revenue to $4.10B.
Modest upside expected, pending execution of 2027 HAMR launch.
Revenue beat and guidance are positive, but the later product timeline tempers enthusiasm.
Market effects
AI-driven storage demand lifts the HDD/SSD sector.
U.S. data center operators increase capacity spending.
Worldwide cloud providers' storage upgrades boost global storage market.
Counterpoint
Western Digital's slower 2027 HAMR rollout may cap upside despite strong earnings.
Key entities
- companySeagate Technology
Provider of HAMR-based storage drives, reported FY2026 Q4 earnings.
- companyWestern Digital
Pure-play HDD maker, reported FY2026 Q4 earnings and FY2027 guidance.
