Sandisk SNDK has gone from forgotten storage spin-off to one of the loudest memory chip names AI investors are watching. AI training and inference need huge SSD arrays, and Sandisk is now a pure-play on that demand.

The 2026 question is not whether the tailwind is real, but whether SNDK is the right way to own it.

This piece walks through the spin-off setup, the enterprise SSD cycle, margin mechanics, and how SNDK stacks against Micron and Western Digital.

Sandisk Post Spin-Off From Western Digital

Sandisk began trading on Nasdaq under SNDK in February 2025. The split left Western Digital with HDDs and gave Sandisk the full NAND and SSD business.

For investors, that matters more than the plumbing. SNDK is now a single-product story, easier…