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Musk singles out Micron's pricing as reasonable, CXMT's server DDR5 threat takes shape, Q4 DRAM contract prices to rise another 10% to 15%…

Sources (5)

The fundamentals are still good. First, the pricing cycle is rising: Q4 conventional DRAM contract prices are expected to rise another 10% to 15% QoQ, Nanya's Q3 gross margin hit a record 85.7%, and Bernstein estimates that memory chip prices rose by almost 20% in Q3. Second, a structural upgrade in HBM:

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2026 capacity is sold out under long-term contracts, repricing for 2027 locks in higher prices, and the gross margin gap between HBM and conventional DRAM is narrowing. Third, big-customer relationships: Musk said publicly on X that Micron's pricing is reasonable and called other suppliers' price demands extortionate, while Micron does not maximise short-term price rises and prefers long-term customer lock-in. Tesla and xAI are big memory buyers. The biggest new risk is CXMT. Its president Cao Kanyu said at an industry event in Shanghai that CXMT will launch DDR5 RDIMM server memory on a 4F² architecture by the end of 2026, about 2 years ahead of Samsung's mass production of the same technology. That brings the threat from consumer products into the server market, and it is the core narrative behind this round's pullback in memory stocks.

Key evidence

  • Musk said on X that Micron is staying restrained and rational on future memory pricing, while other suppliers (a reference to Samsung and SK Hynix) are making extortionate price demands. Today's customers will not forget that.
  • Musk also noted that RAM supply is constraining edge AI (AI on end devices), which confirms the memory shortage again from the demand side
  • CXMT president Cao Kanyu said at an industry event in Shanghai that it will launch DDR5 RDIMM server memory on a 4F² architecture by the end of 2026, about 2 years ahead of Samsung's mass production of similar technology
  • TrendForce: CXMT ranked fourth in global DRAM revenue in 2Q26, with its share up from 7.6% in the previous quarter to 9.5% (behind Samsung at 39.4% and SK Hynix at 24.9%). Its fifth-generation DRAM platform entered mass production last month.
  • TrendForce's October estimate: Q4 conventional DRAM contract prices are expected to rise another 10% to 15% QoQ, and PC DRAM is in severe shortage because Korean and Taiwanese makers have shifted capacity to server applications
  • Nanya raised contract prices by up to 20% and posted a record Q3 gross margin of 85.7%. Bernstein estimates memory chip prices rose by almost 20% in Q3. Several sources say the shortage will last until at least 2027.
  • HBM capacity for 2026 is already sold out under binding long-term contracts. Repricing of 2027 HBM contracts locks in higher prices and should narrow the gross margin gap between HBM and conventional DRAM.

Catalysts to watch

  • Micron's next quarterly results: watch the pass-through of contract prices, HBM's share of revenue and customers' long-term volume commitments
  • Customer qualification and actual shipment progress for CXMT's server DDR5 RDIMM (the guidance is a launch by the end of 2026)
  • Landing of the repricing of 2027 HBM contracts
  • HBM4 yield and cost ramp

Risks

  • CXMT is taking the fight to server DDR5, so Micron's core profit pool faces a new competitor (the core narrative behind this round's pullback)
  • CXMT's stated plan is a launch by year-end, and there is as yet no first-hand evidence of server customer qualification or shipments. The bar for reliability validation is high, so whether the threat materialises has to be tracked
  • CXMT is still held back by US export controls (advanced equipment is restricted)
  • Micron chooses not to maximise short-term price increases in exchange for long-term customer lock-in, so its short-term revenue upside is smaller than Samsung's or SK Hynix's
  • HBM4 yield and cost remain key variables

Sources 5

  1. Elon Musk's public statement on X (Micron's pricing reasonable versus others extortionate)
  2. CXMT president Cao Kanyu at an industry event in Shanghai (4F² DDR5 RDIMM launch by end-2026)
  3. TrendForce (2Q26 DRAM market share; estimate of a 10% to 15% rise in Q4 contract prices)
  4. Nanya Q3 results (gross margin 85.7%)
  5. Bernstein (estimate of a near-20% rise in memory chip prices in Q3)

A brief is a lead for our research, not a verified conclusion or advice.