In a stunning announcement that underscores the insatiable demand for artificial intelligence hardware, SK Hynix has revealed its entire production capacity for DRAM, NAND, and critical high-bandwidth memory (HBM) is completely sold out through 2026. The landmark sell-out is fueled primarily by a colossal order from Nvidia, the world's most valuable company, locking in supply for the silicon that powers the AI revolution.
The news solidifies a dominant partnership at the heart of the modern computing era, where Nvidia's industry-leading GPUs are inextricably linked with SK Hynix's advanced memory chips. This symbiotic relationship has propelled the South Korean chipmaker to a record-shattering financial performance, leaving competitors Samsung and Micron scrambling to close the gap.
Record Profits Fueled by the AI Gold Rush
The scale of SK Hynix's success was laid bare in its latest earnings report. The company posted a staggering $8 billion (₩11.4 trillion) operating profit for the third quarter of 2025—a meteoric 62% surge compared to the same period last year. Revenue also saw explosive growth, climbing 39% to reach ₩22.4 trillion.
The primary engine behind this growth? The runaway sales of its HBM3E chips, which are exclusively bundled with Nvidia's flagship data center GPUs, including the H100 and the next-generation B200. This direct link to the AI boom has not only filled SK Hynix's coffers but also catapulted its market valuation past its rivals.
According to industry analyst firm TrendForce, SK Hynix now commands an astonishing over 50% share of the global HBM market. This leaves Samsung and Micron to divide the remainder, with each holding roughly a quarter of the market. The financial results offer a clear window into how the AI hardware ecosystem has become a tightly interwoven chain, where Nvidia's GPU dominance directly fuels SK Hynix's record-breaking ascent.
For a detailed look at the figures, the company has published its official 3Q 2025 financial results.
Locked-In Capacity and the Next Wave of AI Chips
The term "sold out" took on a new meaning in the tech world when SK Hynix executives confirmed the unprecedented demand. “We’ve sold out our DRAM, NAND, and HBM capacity for next year,” stated Kim Kyu-hyun, head of DRAM marketing at SK Hynix. He further clarified that customer commitments extend firmly into 2026, meaning the company will have almost no capacity to accept new orders for the next two years.
With current production entirely spoken for, the focus now shifts to the next technological leap. SK Hynix is already preparing to ramp up production of its HBM4 memory, with mass production slated for late 2025. This next-generation memory standard promises a significant jump in both bandwidth and energy efficiency, two critical factors for the increasingly powerful and power-hungry AI models of the future. These chips are anticipated to be the foundation for Nvidia's subsequent generation of AI processors and supercomputing platforms.
The demand outlook became even more dramatic with the confirmation that SK Hynix has secured supply agreements with OpenAI for its ambitious "Stargate" supercomputer project. This single initiative is projected to more than double the entire industry's total HBM requirements, ensuring the supply crunch will persist for the foreseeable future.
The New AI Silicon Hierarchy: Memory Takes the Throne
SK Hynix's commanding position signals a fundamental power shift within the technology sector. Memory manufacturers, once considered cyclical and less glamorous components suppliers, are now indispensable kingmakers in the race to build global AI infrastructure.
“HBM demand continues to increase rapidly, so it will be difficult for supply to catch up any time soon,” explained Kim Ki-tae, head of HBM sales and marketing at SK Hynix. This sentiment is echoed by market analysts. Citi Research projects the global HBM market will balloon to a $43 billion valuation by 2027.
The blockbuster partnership between SK Hynix and Nvidia has firmly placed both companies at the epicenter of the AI semiconductor boom. As they continue to innovate and lock in supply chains, the pressure intensifies on Samsung and Micron to accelerate their own HBM roadmaps and production capabilities. For the rest of the industry, the message is clear: in the age of AI, the path to success runs directly through the memory chips that make it all possible.