SanDisk vs Seagate: Two Divergent Paths Through the AI Storage Boom, One Winner

3 weeks ago 9

Vandita Jadeja

Sun, July 19, 2026 astatine 10:30 AM CDT 3 min read

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SanDisk (SNDK) surged 251% successful gross to $5.95B arsenic Seagate (STX) astir quadrupled escaped currency travel to $953M, some crediting AI information creation.
Seagate offers durable 47% gross margins with nearline capableness committed done mid-2026, portion SanDisk trades astatine a demanding 60x P/E with NAND pricing risk.
Both stocks person pulled backmost sharply, with SNDK down 23% and STX disconnected 19% implicit the past month, pointing to elevated expectations already baked into prices.
Act now: the expert who called NVIDIA successful 2010 conscionable named his apical 10 AI stocks — and Seagate Technology didn't marque the cut. Grab the names FREE today.

SanDisk (NASDAQ: SNDK) and Seagate Technology (NASDAQ: STX) conscionable delivered blockbuster March 4th results, and some recognition the aforesaid force: AI information creation.

A close-up broadside presumption shows a antheral with a beard, wearing a airy bluish collared shirt, holding a acheronian grey rectangular SanDisk NVMe-SSD. He is looking astatine the device, which displays substance 'SN861' and 'SANDISK' successful red. In the blurred background, gangly achromatic server racks are visible, filled with galore acheronian retention devices, immoderate illuminated with tiny yellowish and greenish lights.

One sells NAND flash for high-speed inference. The different sells nearline HDDs that warehouse petabytes cheaply. Comparing them present shows however retention is splitting into 2 chiseled AI proviso chains.

Flash Explodes. Spinning Disks Grind Higher.

SanDisk posted $5.95 cardinal successful revenue, a 251% jump, with Datacenter unsocial surging 645% twelvemonth implicit twelvemonth to $1.467 billion. Gross borderline swung to 78.4% from 22.5% a twelvemonth ago, a determination that lone makes consciousness erstwhile NAND pricing is genuinely scarce. CEO David Goeckeler called it "a cardinal inflection point" tied to BiCS8 flash and High Bandwidth Flash for AI inference.

Seagate's numbers look calmer but nary little structural. Revenue reached $3.11 billion, up 44.1%, with non-GAAP gross borderline hitting 47%. Free currency travel leapt to $953 cardinal from $216 million. Dave Mosley framed the 4th arsenic "a caller epoch of structural maturation arsenic AI applications amplify information creation." The Mozaic HAMR level is present qualified with 5 of the world's largest unreality customers.

Act now: the expert who called NVIDIA successful 2010 conscionable named his apical 10 AI stocks — and Seagate Technology didn't marque the cut. Grab the names FREE today.

Two Very Different Bets connected AI Storage

Lens	SanDisk	Seagate
Core Tech	BiCS8 NAND, High Bandwidth Flash	HAMR Mozaic areal density
Customer Model	Multi-year NBM steadfast commitments	Build-to-order, capableness spoken for
Balance Sheet	Zero semipermanent indebtedness	Debt paydown, person dilution hazard
Key Vulnerability	NAND pricing swings, Kioxia reliance	HDD cyclicality, tariff vulnerability

SanDisk is locking hyperscalers into 5 New Business Model agreements with steadfast fiscal commitments, trying to person a historically brutal commodity rhythm into thing that looks similar a subscription.

Seagate is doing the other successful spirit: leaning connected decades of areal density expertise to beryllium the cheapest spot to parkland an exabyte. Mosley noted nearline capableness is committed done mid-calendar 2026, which is the benignant of visibility HDD investors seldom get.

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