SK hynix vs. KIOXIA: 3D NAND FLASH Really Needs Split-Cell (Split-Gate)?
2 Min Read January 27, 2026
SK hynix’s split‑cell PLC reveal reignites debate as NAND makers reassess architectures to meet soaring AI‑era density demands.
As the storage demands of the AI era increase exponentially, NAND flash memory manufacturers are reconsidering foundational cell architectures with renewed urgency. Recently, SK hynix unveiled a novel split-cell 5-bit (PLC) NAND architecture, reigniting industry debate over whether split-cell (or split-gate) designs are essential for the next generation of high-density flash memory. This raises a key question: can this approach overcome the hurdles that stalled similar architectures in the past?
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