Micron and Sandisk have both surged in 2026 on demand for memory chips in AI data centers, with Micron up 220% and Sandisk up 480% as of writing. The article argues Micron has the edge because it sells both DRAM and NAND flash, while Sandisk is a pure-play NAND flash maker; DRAM generated 73% of Micron's revenue last quarter, almost $40 billion, driven by fast-growing HBM demand. It cites expectations that NAND flash will stay undersupplied over the next three years, and notes Micron has raised HBM pricing significantly for 2027. According to Counterpoint Research, Micron holds 15% of the NAND flash market versus Sandisk's 11%, and 24% of the DRAM market. The author considers Micron the more attractively valued stock, and analysts expect its earnings per share to grow faster than Sandisk's over the long run.
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