Samsung locked up its memory supply until 2031 — and the price gap is staggering

By: Anton Kratiuk | today, 16:41

Samsung has committed roughly 70% of its memory production capacity to long-term supply agreements running through 2031, locking in Microsoft, Google, and Nvidia as its primary customers. The deal gives those three companies guaranteed access to the AI memory chips powering the current data-center boom — at prices far below what anyone else can find. For smaller chip buyers, that leaves a shrinking pool of supply and a very steep bill.

Two tiers, one market

The pricing split tells the story clearly. A 36GB stack of HBM3E — the high-bandwidth memory that AI accelerators depend on — currently sells for around $2,100 on the open spot market, per Seoul Economic Daily (Aug 31, 2026). Under Samsung's long-term agreements, the same stack goes to its preferred customers for $500–700. That is a four-to-five times difference, and it is not a short-term anomaly — it reflects a deliberate reallocation of wafer capacity away from commodity DRAM toward AI-focused HBM.


Samsung HBM3E memory — reserved mostly for the world's largest tech companies through 2031.

SK Hynix has made similar moves, signing a five-year DRAM agreement with Google that includes a two-year HBM extension. Together, Samsung and SK Hynix hold roughly 50–55% of the global memory market, meaning the two dominant suppliers have effectively pre-sold their most valuable output for the rest of the decade.

What this means beyond the data center

The ripple effects are already visible. About 70% of global wafer capacity has been redirected toward AI memory, squeezing the commodity DRAM that goes into PCs, laptops, and servers. US consumer DRAM prices rose 80–90% quarter-on-quarter through 2026, and the PC market is facing an 11.3% contraction as device makers struggle to source affordable memory. Micron's CEO said in June 2026 that the shortage is expected to last through 2027, with only gradual improvement by 2028.

Silicon Analysts (Aug 2026) puts HBM3E contract pricing at $13–17 per gigabyte at the factory-gate level, confirming that the multi-tier pricing structure is real and wide. Smaller OEMs — firms that cannot sign a multi-year, billion-dollar commitment — are structurally locked out of the AI supply chain, paying spot prices that price them out of competitive hardware development.

No quick fix in sight

Samsung's strategy secures predictable revenue and full fab utilization through the decade. For the rest of the industry, it means the memory crunch is not a cycle to wait out. The CEO of SK Hynix warned as recently as July 2026 that the shortage will persist well past 2030. With no new HBM players expected to reach scale before 2028, the two-tier memory economy looks set to define the AI hardware landscape for years to come.