A federal class-action filed in late June 2026 names the three companies controlling 89% of global DRAM — and the complaint’s most damning allegation isn’t price-fixing. It’s strategic capacity starvation.
What Happened
On June 25, 2026, a federal class-action complaint was filed in the Northern District of California accusing Samsung, SK Hynix, and Micron of operating a coordinated DRAM price-fixing cartel since 2022. The plaintiffs allege that the three companies — who collectively held 38%, 29%, and 22% of global DRAM revenue respectively in Q1 2026 — conspired to restrict supply of conventional DRAM, driving prices up approximately 700% over four years. The complaint explicitly labels them “oligopolists,” a designation with teeth given their near-total market dominance.
The mechanism alleged is not a smoky-room price agreement in the classical sense. According to the complaint, the three manufacturers deliberately shifted fabrication capacity away from conventional DRAM — the memory found in laptops, servers, and consumer electronics — toward high-bandwidth memory (HBM), the specialized AI memory stack that commands dramatically higher margins. The supply constraint on conventional DRAM was, the plaintiffs argue, not a market accident but a strategic choice coordinated across competitors.
This is not the first time these companies have faced cartel allegations. In the early 2000s, the U.S. Department of Justice investigated a DRAM cartel operating from 1999 to 2002. Both Samsung and Hynix (now SK Hynix) pleaded guilty and paid hundreds of millions in criminal fines. The current civil complaint invites that precedent explicitly — and that historical callback is unlikely to help the defendants in front of a jury.
The key insight: The same three companies that control conventional DRAM also control HBM — meaning the alleged capacity shift isn’t just price manipulation, it’s the most profitable legal arbitrage in semiconductor history dressed up as market strategy. AI demand did not cause the shortage; it gave the defendants cover to manufacture one.
The Structural Read
The lawsuit’s antitrust framing is important but secondary. The primary structural story is what AI’s infrastructure buildout has done to memory economics — and who it has made enormously powerful in the process.
HBM is not simply “better DRAM.” It is a fundamentally different product sold into a different market at radically different margins. Hyperscalers and AI chip companies — building GPU clusters that consume stacks of HBM per chip — are price-insensitive buyers. They need HBM to run inference and training; they will pay for it. Conventional DRAM buyers — PC makers, smartphone OEMs, enterprise server purchasers — are price-sensitive and have no structural substitute. When the same three manufacturers serve both markets and can choose where to allocate wafer capacity, the incentive calculus is not subtle.
This is what the complaint calls “RAMpocalypse” — a consumer memory market structurally starved not by a shortage of manufacturing know-how, but by the rational profit-maximizing behavior of an oligopoly with a more lucrative adjacent market. Whether that behavior crossed into illegal coordination is a question for the courts. Whether it represents a dangerous concentration of power over the entire computing stack — consumer and AI alike — is already answered by the market share numbers alone: 89% combined, in a product with no realistic substitutes.
FDE Framework — Applied
Samsung, SK Hynix, and Micron Are Pure Enablers — and That’s the Problem
In the FDE Framework (Founders, Distributors, Enablers), DRAM manufacturers are Enablers: they produce the foundational infrastructure that every layer of the AI stack — and the consumer computing stack — depends on. Enablers rarely capture end-user narrative, but they hold structural chokepoints. When three Enablers control 89% of a critical input, the entire stack sits on a three-legged stool. The lawsuit is the moment the stool starts to wobble.
Global DRAM Revenue Share — Q1 2026
Three Implications
1. THE AI STACK HAS A HIDDEN CHOKEPOINT
Every GPU cluster, every inference node, every AI data center depends on HBM controlled by these three companies. The lawsuit spotlights that the AI infrastructure buildout — celebrated as democratizing compute — has quietly concentrated a critical input layer in fewer hands than at any point in semiconductor history. Regulators in Washington, Brussels, and Seoul are now reading the same complaint.
2. THE PRECEDENT RISK IS REAL — AND PRICED IN NOWHERE
The early-2000s DRAM cartel ended in guilty pleas and nine-figure fines. That case involved coordinated price signaling over fax machines. The current allegations involve a more sophisticated mechanism — capacity allocation decisions — but the historical record gives plaintiffs’ attorneys a roadmap. If this reaches discovery, internal communications about HBM capacity planning decisions become evidence. The litigation risk for all three defendants is structurally underappreciated by markets accustomed to treating memory makers as commodity producers, not cartel members.
3. CONSUMER COMPUTING IS COLLATERAL DAMAGE IN THE AI ARMS RACE
The ~700% price increase in conventional DRAM since 2022 is not absorbed evenly. PC manufacturers pass it to consumers. Enterprise IT departments defer hardware refreshes. Emerging-market access to affordable computing narrows. The AI infrastructure buildout — funded by the largest capital deployment in tech history — is being partly cross-subsidized by ordinary buyers of laptops and servers who have no alternative supplier to turn to. That redistribution of cost is the quiet political economy underneath this lawsuit.
