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Are WDC's Deepening Hyperscaler Partnerships Strengthening Its Moat?
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Key Takeaways
WDC's hyperscaler collaborations are becoming a strategic moat as AI-driven data creation accelerates.
WDC shipped over 2.2M high-capacity drives in the September quarter as customers move to larger drives.
WDC has HAMR orders from all top seven customers through 1H26, with one customer securing supply for 2027.
Western Digital Corporation’s (WDC - Free Report) deepening collaborations with hyperscaler customers are becoming a strategic competitive moat as AI-driven data growth accelerates.
WDC is one of the leading providers of mass capacity storage solutions. As multimodal large language models and agentic AI scale across industries, hyperscalers are facing an unprecedented growth in data generated, resulting in strong demand for high-capacity, cost-efficient storage solutions.
A key indicator of this strengthening competitive moat is the growing visibility that Western Digital now has into customer demand. Customers are transitioning to higher-capacity drives, with shipments of its latest ePMR products offering up to 26TB CMR and 32TB UltraSMR, exceeding 2.2 million units in the September quarter. The reliability, scalability and TCO benefits of its ePMR and UltraSMR technologies remain key to success in the data center market.
Western Digital plans to build on this with its next-generation HAMR drives. All top seven customers have issued purchase orders through the first half of 2026, with five extending through all of 2026 and one major hyperscale customer securing supply for all of 2027.
It is making strong progress on HAMR development. It remains on track to begin qualification with one hyperscale customer in the first half of 2026, with the potential to expand to up to three customers by year-end. This progress positions the company for volume production ramp-up in the first half of 2027.
Image Source: Zacks Investment Research
Meanwhile, WDC will start qualification for its next-gen ePMR drives by early 2026. For the second quarter of fiscal 2026, management anticipates ongoing revenue growth, supported by strong data center demand. WDC is set to report second-quarter fiscal 2026 results on Jan. 29, 2026. Non-GAAP revenues are expected to be $2.9 billion (+/- $100 million), up 20% year over year.
However, the company faces intense competition from the likes of Seagate Technology Holdings Plc (STX - Free Report) and other flash-based alternatives.
Let’s Look at Rivals’ Hyperscaler Ties
Seagate, one of Western Digital’s closest rivals in the HDD space, is gaining from strong industry tailwinds. The company shipped more than 1 million Mozaic drives during the September quarter. Since its HAMR-based Mozaic drives are the industry’s only products offering 3 terabytes per disk, cloud customers are lining up for them. Seagate now has five global CSPs qualified on its Mozaic 3+ terabyte-per-disk products, offering up to 36TB per drive, and remains on track to qualify the remaining three CSPs by the first half of 2026.
The Mozaic products are performing strongly in production, with Seagate on track to reach 50% exabyte crossover on nearline HAMR drives in the second half of 2026. The company has also begun qualifying with a second major CSP on the Mozaic 4+ terabyte-per-disk platform, offering up to 44TB per drive, with volume ramp expected in early 2026. Moreover, management is steadily advancing 5TB per disk technology, aiming for market launch in early 2028. Lab demonstrations of 10TB per disk are also expected around that time. Ongoing innovation in media and photonics is key to this progress.
Among flash-based alternatives, Pure Storage (PSTG - Free Report) is one of the prominent players in the data storage space. Increasing adoption of flash storage, advantages of all-flash arrays in data centers, strong partner base and growth prospects in emerging data-driven markets are key positives.
Hyperscaler partnerships are becoming an increasingly important component of PSTG’s growth strategy. Pure Storage noted that year-to-date hyperscale shipments through the third quarter of fiscal 2026 already exceeded its original fiscal year target of 1-2 exabytes, with additional shipments expected in the fiscal fourth quarter. Pure Storage noted that hyperscaler shipments are supporting higher product gross margins and were a factor in the upward revision to fiscal 2026 operating income guidance.
WDC Price Performance, Valuation and Estimates
In the past month, shares of WDC have increased 24.3% compared with the Zacks Computer-Storage Devices industry’s growth of 25.2%.
Image Source: Zacks Investment Research
In terms of forward price/earnings, WDC’s shares are trading at 23.25X, higher than the industry’s 21.7X.
Image Source: Zacks Investment Research
The Zacks Consensus Estimate for WDC’s earnings for fiscal 2026 has been marginally revised upwards over the past 60 days.
Image: Bigstock
Are WDC's Deepening Hyperscaler Partnerships Strengthening Its Moat?
Key Takeaways
Western Digital Corporation’s (WDC - Free Report) deepening collaborations with hyperscaler customers are becoming a strategic competitive moat as AI-driven data growth accelerates.
WDC is one of the leading providers of mass capacity storage solutions. As multimodal large language models and agentic AI scale across industries, hyperscalers are facing an unprecedented growth in data generated, resulting in strong demand for high-capacity, cost-efficient storage solutions.
A key indicator of this strengthening competitive moat is the growing visibility that Western Digital now has into customer demand. Customers are transitioning to higher-capacity drives, with shipments of its latest ePMR products offering up to 26TB CMR and 32TB UltraSMR, exceeding 2.2 million units in the September quarter. The reliability, scalability and TCO benefits of its ePMR and UltraSMR technologies remain key to success in the data center market.
Western Digital plans to build on this with its next-generation HAMR drives. All top seven customers have issued purchase orders through the first half of 2026, with five extending through all of 2026 and one major hyperscale customer securing supply for all of 2027.
It is making strong progress on HAMR development. It remains on track to begin qualification with one hyperscale customer in the first half of 2026, with the potential to expand to up to three customers by year-end. This progress positions the company for volume production ramp-up in the first half of 2027.
Image Source: Zacks Investment Research
Meanwhile, WDC will start qualification for its next-gen ePMR drives by early 2026. For the second quarter of fiscal 2026, management anticipates ongoing revenue growth, supported by strong data center demand. WDC is set to report second-quarter fiscal 2026 results on Jan. 29, 2026. Non-GAAP revenues are expected to be $2.9 billion (+/- $100 million), up 20% year over year.
However, the company faces intense competition from the likes of Seagate Technology Holdings Plc (STX - Free Report) and other flash-based alternatives.
Let’s Look at Rivals’ Hyperscaler Ties
Seagate, one of Western Digital’s closest rivals in the HDD space, is gaining from strong industry tailwinds. The company shipped more than 1 million Mozaic drives during the September quarter. Since its HAMR-based Mozaic drives are the industry’s only products offering 3 terabytes per disk, cloud customers are lining up for them. Seagate now has five global CSPs qualified on its Mozaic 3+ terabyte-per-disk products, offering up to 36TB per drive, and remains on track to qualify the remaining three CSPs by the first half of 2026.
The Mozaic products are performing strongly in production, with Seagate on track to reach 50% exabyte crossover on nearline HAMR drives in the second half of 2026. The company has also begun qualifying with a second major CSP on the Mozaic 4+ terabyte-per-disk platform, offering up to 44TB per drive, with volume ramp expected in early 2026. Moreover, management is steadily advancing 5TB per disk technology, aiming for market launch in early 2028. Lab demonstrations of 10TB per disk are also expected around that time. Ongoing innovation in media and photonics is key to this progress.
Among flash-based alternatives, Pure Storage (PSTG - Free Report) is one of the prominent players in the data storage space. Increasing adoption of flash storage, advantages of all-flash arrays in data centers, strong partner base and growth prospects in emerging data-driven markets are key positives.
Hyperscaler partnerships are becoming an increasingly important component of PSTG’s growth strategy. Pure Storage noted that year-to-date hyperscale shipments through the third quarter of fiscal 2026 already exceeded its original fiscal year target of 1-2 exabytes, with additional shipments expected in the fiscal fourth quarter. Pure Storage noted that hyperscaler shipments are supporting higher product gross margins and were a factor in the upward revision to fiscal 2026 operating income guidance.
WDC Price Performance, Valuation and Estimates
In the past month, shares of WDC have increased 24.3% compared with the Zacks Computer-Storage Devices industry’s growth of 25.2%.
Image Source: Zacks Investment Research
In terms of forward price/earnings, WDC’s shares are trading at 23.25X, higher than the industry’s 21.7X.
Image Source: Zacks Investment Research
The Zacks Consensus Estimate for WDC’s earnings for fiscal 2026 has been marginally revised upwards over the past 60 days.
Image Source: Zacks Investment Research
Currently, Western Digital sports a Zacks Rank #1 (Strong Buy). You can see the complete list of today’s Zacks #1 Rank stocks here.