Samsung Begins HBM4 Shipments, Set to Boost Global Market Share to 28%

• March 9, 2026

Samsung Electronics has commenced deliveries of its latest high-bandwidth memory chips, HBM4, to a major client widely believed to be Nvidia. This development is expected to strengthen Samsung’s position in the HBM segment, especially with Nvidia’s artificial intelligence (AI) accelerators under the Vera Rubin family.

Growing Market Share Driven by HBM4 Supply

The introduction of HBM4 technology shipments marks a significant step for Samsung in the competitive memory market. Industry analysis suggests that Samsung will remain the primary HBM4 supplier for Nvidia’s advanced AI accelerator products, demonstrating a strong partnership between the two companies in cutting-edge computing technologies.

With this supply chain relationship, Samsung is poised to increase its share of the global HBM market from approximately 20% to an estimated 28%. This growth highlights Samsung’s continued investment in next-generation memory solutions and its strategic focus on meeting the needs of high-performance computing sectors, including AI and data center applications.

HBM4 is the latest iteration of high-bandwidth memory, designed to deliver significant improvements in transfer speeds and energy efficiency compared to previous generations. These characteristics make it critical for powering AI workloads and complex processing tasks found in Nvidia’s accelerator chips.

The partnership also underscores Nvidia’s reliance on leading semiconductor manufacturers to supply advanced memory components integral to its AI hardware roadmap. As AI workloads increase in complexity and scale, effective memory solutions such as HBM4 become indispensable in sustaining computational performance.

While Samsung has not publicly disclosed detailed specifications or volume commitments, the initial shipments signal readiness to ramp up production to meet demand. The increased presence in the HBM market reflects broader trends of intensified competition and technological innovation in high-speed memory products driven by AI and data-intensive applications.

Overall, Samsung’s move to supply HBM4 chips marks a notable development in the semiconductor ecosystem, with implications for market dynamics and technology advancements in AI acceleration and beyond.

Samsung initiates shipments of HBM4 memory chips, aiming to increase its global HBM market share from 20% to 28%.