Western Digital vs. Seagate: Which Is the Better AI Infrastructure Stock to Own for the Next 5 Years?
2026-10-04 16:30
•Dave Kovaleski •The Motley Fool
••••• •• Axe Cap view
Western Digital vs. Seagate: The AI Storage Race Through a JSE Lens
Seagate leads in tech adoption but Western Digital offers better value in the data center storage war.
South Africa’s tech investors rarely get a direct play on AI infrastructure storage, but understanding Western Digital (WDC) and Seagate (STX) is useful, especially when considering USD/ZAR exposure. Both firms are riding a storage supercycle fueled by data centers needing more capacity for AI workloads. Seagate’s faster rollout of HAMR (Heat-Assisted Magnetic Recording) tech means superior early growth, but its lofty 66x price/earnings ratio suggests much of that is priced in. Western Digital, with a more modest 17x P/E, trades at a significant discount and still anticipates strong revenue growth and next-gen 44TB drives. For rand investors, WDC’s cheaper entry gives a stronger margin of safety if the supercycle stalls or global tech sentiment cools. The risk? AI demand may be more fickle than expected, and HAMR delays could hit Western Digital harder. this is just our opinion and not financial advice
Trim Seagate on strength due to premium valuation; accumulate Western Digital for better risk-adjusted, long-term exposure to AI-driven data growth.
- Western Digital
- Seagate
- USD/ZAR
- Slower-than-expected AI data center growth
- Delays in HAMR technology adoption
6/10
Western Digital and Seagate, the two dominant players in high-capacity storage drives for AI and data centers, are both benefiting from a supercycle in demand. While Seagate has an edge with earlier HAMR technology adoption and stronger near-term growth projections, Western Digital offers better valuation with a P/E of 17x and 50% upside potential versus Seagate's 66x P/E. Both stocks are recommended as strong long-term buys for the next five years.
Our take is based on reporting first published by The Motley Fool.