Sandisk Just Revealed Where Almost 90% of Its New Revenue Came From

Sandisk Corp.‘s (NASDAQ:SNDK) fiscal first-quarter earnings offer a striking look at how quickly the AI boom is reshaping its business. The digital storage maker added more than $2 billion in quarterly revenue, but almost nine-tenths of that increase came from one customer market: data centers. The numbers show just how much of its growth is now riding on AI infrastructure spending.

Data Centers Drove 88% of Growth

Sandisk reported fiscal first-quarter revenue of $11.03 billion, up 23% from $8.97 billion in the previous quarter. That is an increase of approximately $2.07 billion in just three months.

Data-center revenue rose 61% sequentially to $4.80 billion from $2.98 billion, adding $1.83 billion. Divide that increase by Sandisk’s total revenue growth, and the result is 88.3%.

In other words, data centers accounted for nearly nine-tenths of Sandisk’s additional quarterly revenue. This does not mean they generated 88% of total sales. Rather, it shows that almost all of the company’s latest sequential growth came from this single business.

The Rest of the Business Tells a Different Story

Sandisk’s other segments offered a more mixed picture. Revenue from its Edge business, which includes storage products for smartphones, PCs and other devices, increased by approximately $400 million to $5.83 billion.

Consumer revenue moved in the opposite direction, falling $159 million sequentially to $397 million.

The shift is visible in the company’s revenue mix. Data centers accounted for 33.2% of Sandisk’s sales in the previous quarter. That share climbed to 43.5% in the latest quarter, a jump of more than 10 percentage points.

The company attributed the growth partly to strong demand and its decision to direct more supply toward data-center customers. Its earnings presentation also highlighted partnerships with three major U.S. cloud-computing companies, underscoring the importance of large infrastructure customers to its expansion.

AI Is Becoming the Growth Engine

For investors, the distinction between total revenue and incremental revenue matters. Data centers are not yet responsible for most of Sandisk’s sales, but they are increasingly responsible for moving the top line higher.

That creates a significant opportunity as cloud providers expand AI infrastructure and require more storage capacity to support increasingly data-intensive workloads. Sandisk’s ability to prioritize supply for those customers gives it exposure to that spending cycle.

But the concentration also creates a risk. If hyperscalers slow data-center investment, delay projects or reduce storage purchases, the business currently driving most of Sandisk’s growth could lose momentum.

The latest quarter makes one thing clear: Sandisk is no longer simply benefiting from a broad recovery in storage demand. Its growth is becoming increasingly tied to the AI data-center buildout, making the spending decisions of a relatively concentrated group of large customers especially important to watch.

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