🇨🇳China·AI News·2 Nov 2026·via SCMP

    China’s CXMT defends bet on risky new DRAM architecture to circumvent US chip curbs

    Chinese memory chip maker ChangXin Memory Technologies (CXMT) plans to send customers samples of its first server-grade DRAM product, built on an alternative 4F² architecture, by the end of this year. This approach contrasts with US rival Micron Technology, which has reportedly chosen to bypass the same architecture, highlighting an industry divergence in memory chip design.

    DRAM, or Dynamic Random-Access Memory, serves as temporary data storage for processors in many electronic devices. CXMT's move to develop server-grade DRAM using the 4F² architecture suggests a strategic decision in memory chip design. This architecture is an alternative method to increase data density, allowing more information to be stored in a smaller physical space, a key industry goal under cost and geopolitical pressures.

    The decision to pursue this architecture, which a major US competitor has reportedly bypassed, indicates CXMT may be navigating "geopolitical constraints" in the semiconductor industry. By investing in an alternative design, CXMT could be aiming to achieve competitive data density in its memory products without relying on technologies or supply chains that might be subject to restrictions. This could offer a pathway to independent technological advancement, even if the architecture is described as "risky."

    While CXMT has not disclosed a mass production timeline, stating commercial rollout depends on client validation and market demand, the plan to send out samples by year-end marks a tangible step. This initiative highlights how companies may adapt their development strategies to address broader industry challenges, including the imperative to innovate while managing external constraints on technology access.

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