AI demand reshuffles memory market, lifting Changxin (长鑫科技) and Yangtze Memory (长江存储)

AI rewires the memory market

The AI boom has not only changed software — it has remade where and how memory chips are produced. Overseas giants such as Samsung Semiconductor (三星半导体), SK Hynix (SK海力士) and Micron (美光) have reportedly shifted their most advanced production to high‑margin HBM and enterprise SSD lines to serve AI datacenters and cloud customers. The result: conventional DRAM and NAND supply has tightened, and prices have spiked. It has been reported that TrendForce expects first‑quarter 2026 contract DRAM prices to jump about 90–95% quarter‑on‑quarter and NAND Flash to rise roughly 55–60%, the largest single‑quarter increases on record.

Opportunity for domestic challengers

That market squeeze is the window opening for Changxin Memory Technologies (长鑫科技) and Yangtze Memory Technologies (长江存储). Changxin focuses on DDR4/DDR5 and LPDDR products; Yangtze Memory makes 3D NAND for UFS and SSDs. With top‑tier factories pivoting toward HBM and long‑term cloud contracts, mid‑range device and consumer storage — the volumes Changxin and Yangtze target — are seeing renewed demand. Device trends reinforce the shift: smartphones and PCs are shipping with far larger base capacities than before (Apple’s gradual raise of base iPhone storage is one cited example), so per‑unit NAND demand is rising even without explosive unit growth.

The caveats: scale, yield and geopolitics

Scale and yields will decide if these firms can convert the opportunity into lasting profits. It has been reported that Changxin’s shareholder mix includes industry capital, a national chip fund and local state investment — a financing model that suits the capital‑intensive, high‑barrier memory sector better than pure VC. But technical hurdles remain: DRAM and NAND require steep yield climbs from early ramp to profitable output. And geopolitical headwinds persist — against a backdrop of US‑led export controls and broader tech decoupling, access to cutting‑edge tools and materials is constrained, shaping what segments domestic players can realistically pursue. Can Changxin and Yangtze scale yields fast enough to cement gains? The answer will determine whether this AI‑driven cycle is a temporary reprieve or the start of a more permanent reordering.