What Happened to Samsung, SK Hynix, Micron Memory Price Fixing Lawsuits?

The history of alleged memory price-fixing involving industry giants Samsung, SK Hynix, and Micron is extensive, marked by multiple legal challenges and significant financial penalties. The most recent development is a class-action lawsuit filed on June 25, 2026, in the U.S. District Court for the Northern District of California (Garciaguirre v. Samsung Electronics, case No. 3:26-cv-06345). This lawsuit, brought by consumers and small businesses, alleges that the three companies, which collectively control approximately 90% of the global DRAM market, engaged in a coordinated scheme to restrict the supply of conventional DRAM (DDR3 and DDR4) since 2022.

The plaintiffs contend that this alleged scheme involved shifting manufacturing capacity towards higher-margin High Bandwidth Memory (HBM) chips, primarily used for AI data centers, under the guise of market transition. This strategic pivot, they argue, artificially created a shortage of commodity DRAM, driving prices up by an estimated 500-700% over the past four years. The complaint highlights that in a truly competitive market, rising prices would typically encourage increased supply, a phenomenon not observed in the DRAM market due to the oligopolistic control of these three firms.

This is not the first time these companies have faced such accusations. In the early 2000s, a major international DRAM price-fixing conspiracy was uncovered by the U.S. Department of Justice. Samsung pleaded guilty in 2005 and paid a $300 million fine, while SK Hynix (then Hynix Semiconductor) was fined $185 million after also admitting guilt. Several executives from these companies served prison sentences. Micron Technology, however, avoided penalties by cooperating with the Department of Justice and reporting the cartel. The European Commission also imposed fines on several memory manufacturers, including Samsung and Hynix, in 2010 for their involvement in the cartel.

A subsequent class-action lawsuit was filed in 2018, alleging price-fixing between 2016 and 2017, but this case was dismissed by a district court in 2020, a decision upheld by the Ninth Circuit in 2022. The court at the time ruled that the plaintiffs did not sufficiently prove a coordinated agreement, suggesting the companies' actions were 'more likely explained by lawful, unchoreographed free-market behavior.' The current 2026 lawsuit attempts to overcome this hurdle by presenting the HBM shift as new evidence of coordinated production cuts.

The consequences of these alleged actions are far-reaching, impacting consumers and businesses globally through increased prices for electronic devices. Companies like Apple have already raised prices on products such as iPads and Macs, citing higher RAM and storage costs. Market analysts, including Jefferies, predict that memory prices will continue to rise significantly through 2027, with no substantial relief expected before 2028, largely due to the sustained demand for HBM in AI servers. Micron also announced its exit from the consumer retail market for SSDs and DRAM in 2025. The outcome of the 2026 lawsuit remains to be seen, but it underscores the persistent scrutiny over anticompetitive practices in the highly concentrated memory chip industry.