A 45,000-person labor strike at Samsung’s memory chip plants could throw a wrench into the AI boom
A planned 18-day strike by nearly 45,000 Samsung workers starting May 21 could disrupt global supply chains for AI-critical memory chips, marking the largest work stoppage in semiconductor industry history. The dispute centers on demands for higher profit-sharing bonuses, wage increases, and removal of bonus caps, with Samsung workers seeking better compensation compared to rival SK Hynix. A prolonged shutdown risks significant financial losses and could slow Samsung's efforts to regain market share in high-bandwidth memory for AI systems.
- ▪Samsung produces about a third of the world’s DRAM and is a key supplier of high-bandwidth memory (HBM) essential for AI systems.
- ▪The union is demanding 15% of operating profit for bonuses, removal of bonus caps, and a 7% wage hike, while Samsung offered 13% as a one-time payment without structural changes.
- ▪A one-day walkout in April caused a 58% drop in foundry output and an 18% decline in memory fabrication during that shift.
- ▪Industry estimates suggest a full 18-day strike could result in losses between 30 trillion and 100 trillion won.
- ▪SK Hynix currently leads in HBM market share and overtook Samsung as the top DRAM maker in Q1 last year due to its dominance in AI memory chips.
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Samsung makes about a third of the world’s DRAM—the memory inside virtually every phone, laptop, server, and data center on the planet. Together with its Korean rival SK Hynix, it controls roughly two-thirds of the global DRAM market and an even larger share of high-bandwidth memory (HBM), the specialized chips that AI systems cannot run without. Samsung and SK Hynix are two of only three companies that make HBM at all; the third being American semiconductor company Micron.Recommended Video When people talk about AI infrastructure, they tend to focus on Nvidia’s GPUs. But those GPUs are useless without the memory chips stacked alongside them, and Samsung’s three fabrication complexes in South Korea are among the most important pieces of the AI industrial boom.
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