• Earlier this week, Western Digital announced that its newest high-capacity Ultrastar DC HC6100 UltraSMR hard drives now integrate NIST-approved post-quantum cryptography, adding PQC-ready secure boot and firmware protection that are currently being qualified by multiple hyperscale customers.
• This move brings quantum-resistant security out of the lab and into production storage hardware, potentially redefining how AI data centers think about long-term device-level trust and infrastructure security.
• We will now examine how Western Digital’s move to embed post-quantum cryptography into Ultrastar UltraSMR drives may influence its investment narrative.

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Western Digital Investment Narrative Recap

To own Western Digital today, you have to believe AI data growth and hyperscale demand will keep rewarding higher capacity HDD innovation like UltraSMR. The key near term catalyst is continued qualification and volume ramp of these drives at major cloud customers, while the biggest current risk remains concentration in a handful of hyperscalers. The new post quantum cryptography feature strengthens the product story, but it does not materially change that concentration risk.

Among recent announcements, the upgraded outlook from CFO Kris Sennesael for exabyte demand growth above 25% annually and plans to nearly double exabytes shipped without new factories ties directly to this PQC news. If hyperscale customers embrace PQC enabled UltraSMR as a new security baseline, that could reinforce Western Digital’s push toward higher capacity, higher value drives and support its mix driven margin ambitions.

Yet while PQC hardened drives may look reassuring, investors should be aware of how much Western Digital still relies on a small number of hyperscale customers for...

Western Digital's narrative projects $27.1 billion revenue and $10.7 billion earnings by 2029. This requires 32.0% yearly revenue growth and a roughly $4.4 billion earnings increase from $6.3 billion today.

Uncover how Western Digital's forecasts yield a $507.61 fair value, a 5% upside to its current price.

Exploring Other Perspectives

Some of the lowest analysts were already cautious, assuming only about US$17.0 billion of revenue and US$4.4 billion of earnings by 2029, and they worry that even innovative moves like PQC hardened UltraSMR cannot fully offset long term HDD share loss to SSDs and other storage, so if you are excited by this announcement it is worth also asking whether you agree with that more pessimistic view of Western Digital’s future mix and margins.

Explore 6 other fair value estimates on Western Digital - why the stock might be worth over 2x more than the current price!

Decide For Yourself

Don't just follow the ticker - dig into the data and build a conviction that's truly your own.

• A great starting point for your Western Digital research is our analysis highlighting 3 key rewards and 2 important warning signs that could impact your investment decision.
• Our free Western Digital research report provides a comprehensive fundamental analysis summarized in a single visual - the Snowflake - making it easy to evaluate Western Digital's overall financial health at a glance.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.