Western Digital to Split into 2 Companies After Kioxia Merger Fails

The HDD business is facing challenges from the cloud computing industry, while the flash business is facing increasing competition from Samsung Electronics Co.


In a landmark decision set to reshape the data storage industry, Western Digital has announced a strategic maneuver to separate its hard disk drive (HDD) and NAND memory businesses into two distinct public companies after Kioxia Merger failed.

This separation, scheduled for completion in the latter half of 2024, is contingent upon regulatory approvals and customary conditions. It marks a pivotal moment in Western Digital’s journey, aimed at sharpening the strategic direction and operational efficiency of each business segment.

In this comprehensive blog post, we will delve deeper into the rationale behind this strategic split and the potential ramifications it holds for the data storage landscape.

Join Our WhatsApp News

The Driving Force: Refined Focus and Efficiency

Western Digital’s decision to carve out its HDD and NAND flash memory businesses stems from an exhaustive strategic review that explored various avenues to elevate organizational value and operational efficiency.

By allowing each business unit to operate as an independent entity, the company aims to enable more targeted and agile decision-making processes.

This strategic shift underscores Western Digital’s commitment to bolstering the market positions of both its HDD and NAND flash memory businesses.

It also seeks to foster long-term success by channeling their efforts towards specialized strategies and operational optimizations.

Read More: Samsung 1.4 nm to Feature 4 Nanosheets, Competitive Edge Over TSMC and Intel

How NAND & HDD business are different?

Western Digital’s decision to split its NAND and HDD businesses into separate companies signifies a recognition of the distinct characteristics, market dynamics, and strategic focus required for each business segment.

Let’s delve into the differentiation of these two sectors:

1. Technology and Products:

NAND Business: The NAND business primarily deals with flash memory technology, including NAND-based solid-state drives (SSDs) and flash memory components.

NAND flash memory is a non-volatile storage technology that is known for its speed, durability, and energy efficiency. It is a core component of various consumer electronics, data centers, and mobile devices.

NAND businesses focus on producing SSDs, USB flash drives, memory cards, and other flash-based products.

HDD Business: The HDD business, on the other hand, revolves around traditional hard disk drives. HDDs use spinning disks to store data magnetically.

They are known for their high storage capacity and cost-effectiveness. HDDs have been a staple in data storage for many years, particularly in desktop and enterprise applications.

These products typically include internal and external hard drives used in laptops, desktop computers, and enterprise server systems.

2. Market Dynamics:

NAND Business: The NAND business operates in a rapidly evolving market characterized by high demand for storage solutions in data centers, consumer electronics, and automotive applications.

The growth of cloud computing, artificial intelligence, and the proliferation of mobile devices has boosted the demand for NAND flash memory.

It is also an essential component in modern data storage technologies like SSDs.

HDD Business: The HDD business is more stable and mature, but it still serves critical roles in long-term data storage solutions where high-capacity and cost-efficiency are paramount.

While HDDs face competition from SSDs in some markets, they remain relevant in areas that require vast amounts of data storage at a lower cost per gigabyte.

3. Operational Efficiency:

NAND Business: NAND flash memory production involves intricate semiconductor manufacturing processes and technology. It requires significant investment in fabrication facilities and expertise in advanced manufacturing techniques.

Operational efficiency and economies of scale are critical to compete effectively in this market.

HDD Business: The manufacturing of HDDs involves complex mechanical components and precision engineering, but it is more mature and less reliant on leading-edge semiconductor technology.

Operational efficiency in the HDD business involves optimizing production processes and cost-effective manufacturing.

4. Market Opportunities:

NAND Business: The NAND business offers opportunities in high-growth markets, including SSDs for consumer PCs and enterprise storage solutions, as well as applications in autonomous vehicles, IoT devices, and artificial intelligence.

HDD Business: The HDD business maintains its position in areas that require large-scale, cost-effective data storage, such as cloud data centers, surveillance systems, and archival storage.

Western Digital’s decision to separate these two business segments aims to allow each unit to focus on its unique market opportunities, tailor its strategies to the specific demands of its sector, and drive operational efficiencies relevant to its technology and product portfolio.

This strategic move recognizes the distinct characteristics and potential for growth in both the NAND and HDD businesses.

Read More: Samsung’s 3 nm Secret: GAA Transistors

CEO’s Perspective

David Goeckeler, the CEO of Western Digital, articulated the company’s vision, stating,

“Our HDD and flash businesses are both well positioned to capitalize on the data storage industry’s significant market dynamics, and as separate companies, each will have the strategic focus and resources to pursue opportunities in their respective markets.”

Goeckeler’s confidence in this transformative step reflects the company’s conviction that the separation will invigorate the HDD and NAND flash memory businesses, propelling them to even greater heights.

The Journey into NAND Memory

Western Digital’s entry into the NAND flash memory arena can be traced back to its acquisition of SanDisk in 2016.

This acquisition not only bestowed Western Digital with NAND production facilities but also enriched its portfolio with expansive software and flash controller operations, significantly broadening its horizons within the data storage industry.

While some consolidation and streamlining occurred over time, the decision to separate these businesses is seen as an essential move to maximize their potential in terms of market-specific growth opportunities and technological innovations.

Read More: 2nm Chip Design Costs $725 Million: Can the Industry Afford It?

Embracing Opportunities

Western Digital sees the timing of this strategic separation as particularly opportune, with industry conditions showing signs of improvement. Furthermore, the company remains open to exploring additional strategic opportunities to optimize the value of its HDD and flash investments and assets.

Western Digital has said that the split is necessary to unlock the full potential of its two businesses.

The HDD business is facing challenges from the cloud computing industry, while the flash business is facing increasing competition from Samsung Electronics Co. The split will allow each business to focus on its own strengths and compete more effectively in its respective market.

Read More: How IMEC made ASML the biggest company in Europe?

Obstacles and Opposition

On the same day Western Digital unveiled its decision to split its business into two separate entities, the company also released its financial report for Q1FY24, revealing a mixed set of figures.

Comparing the current results to the same period last year, the revenue for the client and consumer segments showed encouraging growth of 11% and 14%, respectively. However, the cloud division experienced a 14% decline in revenue.

Despite these promising segments, the overall net income for both the current quarter and the previous one painted a less favorable picture, with reported losses of $685 million and $715 million.

This challenging financial situation can be largely attributed to the persistently low NAND flash prices. Despite selling a substantial volume of NAND products, particularly for consoles, Western Digital has struggled to generate substantial profits.

The NAND flash market is well-known for its volatility, with prices fluctuating unpredictably, akin to a Halloween-possessed space hopper.

Read More: Samsung invests 2 Trillion Won to challenge TSMC in advanced packaging

Western Digital Kioxia Merger collapse

Western Digital had been exploring various strategic options, one of which involved acquiring Kioxia, its NAND partner and a co-owner of the flash memory fabs.

The move comes after years of negotiations between Western Digital and Kioxia, which were stymied by issues of control, leadership, economics, and politics. The deal ultimately fell through after SK Hynix Inc., an indirect shareholder in Kioxia and a major competitor to both companies, said it would not support a merger.

This unexpected move was seen by both parties as a way to strengthen collaboration on semiconductor supply chains, according to individuals familiar with the matter.

Post this, Western Digital has suddenly withdrawn from discussions about merging with Kioxia, dashing Bain Capital’s aspirations to establish a prominent US-Japan memory-chip powerhouse.

A participant in the negotiations described Western Digital’s abrupt departure as “truly surprising,” particularly given that years of negotiations had seemingly been approaching a resolution. These merger discussions had received significant behind-the-scenes support from both the US and Japanese governments.

SK Hynix opposed the merger between Western Digital and Kioxia for a number of reasons, including:

  • Concerns about competition: SK Hynix is a major competitor to both Western Digital and Kioxia, and it was concerned that a merger would create a company that would be too dominant in the memory chip market.
  • Concerns about control: SK Hynix was also concerned about losing control of its investment in Kioxia. Under the terms of the proposed merger, Western Digital would have controlled the combined company.
  • Concerns about the deal structure: SK Hynix was also concerned about the structure of the deal, which would have involved a complex share swap.

The combination of Western Digital and Kioxia would have created the world’s largest NAND flash manufacturer, potentially becoming a significant competitor to the South Korean company.


Western Digital’s decision to separate its HDD and NAND memory businesses is a testament to the ever-evolving tech landscape. It mirrors a broader trend among companies striving to enhance their focus and operational efficiency.

This strategic pivot positions both business segments for distinctive market opportunities, enabling them to adapt to the shifting industry landscape while ensuring long-term success.

As the data storage sector continues to progress, Western Digital’s strategic split will be closely monitored, holding the potential to spark new developments and innovations in the field. Stay tuned for further insights into this dynamic transformation within the data storage industry.

Editorial Team
Editorial Team
Articles: 1770