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Samsung, SK Hynix, and Micron have reportedly sold their entire 2027 DRAM and HBM manufacturing output to AI companies. According to Digitimes, every unit of DRAM and HBM that the three manufacturers plan to produce next year has been allocated. None of the companies have formally confirmed the report.

The mechanism is long-term purchasing agreements — essentially five-year contracts that pre-purchase memory that hasn’t been manufactured yet. Hyperscalers locked down capacity years ahead of delivery, leaving no spot-market supply for anyone who didn’t get in early.

What’s Already Happening at Retail

The squeeze is visible now, well before 2027 units ship:

• Consumer DDR5 RAM is up sharply across configurations
• The Western Digital SN7100 1TB SSD was ~$110 in January 2026. It’s $189 today — a 52% increase in eight months
• The Steam Machine launched at a higher price than Valve wanted, directly attributed to memory costs
• Xbox Series X raised prices this month

NAND flash has not yet been fully absorbed — there are more NAND suppliers than DRAM/HBM manufacturers — but the same directional pressure is building. The SSD price trajectory is tracking DRAM with a lag.

HBM Is the Linchpin

HBM — the high-bandwidth memory stacked directly onto AI accelerator dies — is the tightest part of the supply chain. HBM now represents 63% of AI chip component costs, up from 52% 18 months ago. There are effectively three HBM manufacturers globally: Samsung, SK Hynix, and Micron. When their combined 2027 allocation is gone, it’s gone.

SK Hynix separately committed 54 trillion won to two new fabs in Yongin and Cheongju this week. Those fabs are aimed squarely at HBM demand through 2030. But greenfield semiconductor fabs take 2-3 years to become productive. The capacity coming online from a 2026 commitment does not relieve the 2027 crunch.

The Consumer Squeeze Is Structural, Not Cyclical

Memory shortage cycles are normal in semiconductors — supply catches up to demand eventually. What’s different now is the nature of the buyer. Consumer DRAM buyers are price-sensitive and can wait. AI hyperscalers buying on five-year contracts at scale are not price-sensitive and will not wait. When the two types of buyers compete for the same fab output, the hyperscaler wins every time.

For consumers building or upgrading PCs, the practical implication is that DRAM prices are unlikely to fall materially until new fab capacity specifically built for consumer and server DRAM comes online — and that capacity hasn’t been announced in quantities that would change the supply picture before 2028.

The Digitimes report is unconfirmed by the manufacturers themselves. If accurate, it marks the point where AI infrastructure spending directly and permanently restructured the consumer memory market.