Micron vs. Sandisk: Which Is the Better AI Memory Stock to Own for the Next 3 Years?

Micron is enjoying strong growth across all of its segments and projects sustained demand.

Sandisk's NAND memory is in high demand, with its CEO saying the company's growth should continue.

What's the hottest area for investors right now? A good argument could be made for artificial intelligence (AI) memory stocks. Shares of Micron Technology (NASDAQ: MU) have more than tripled so far in 2026. Sandisk (NASDAQ: SNDK) has delivered an even greater return, with its stock up close to 6X year to date.

But, as the fund disclosures say, past performance isn't necessarily indicative of future results. Which of these two AI memory stocks is the better pick to own over the next three years? Here's how Micron and Sandisk stack up against each other.

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Historically, Micron has been a cyclical stock with wild price swings. Its shares are still highly volatile, but the price swings have primarily been in one direction -- up.

There's a simple reason why that's the case. Demand for memory, particularly high-bandwidth memory (HBM), has gone through the roof so much that Micron and other manufacturers can't create enough supply to keep up.

Don't expect these dynamics to change anytime soon. Micron CEO Sanjay Mehrotra said in his company's fiscal 2026 third-quarter earnings call in June, "We expect tight conditions to persist beyond calendar 2027 as a result of AI-driven demand across all segments coupled with structural supply constraints."