An analysis details how SK Hynix maintains its leading position in high-bandwidth memory production for AI accelerators.
SK Hynix (SKHY), a South Korean semiconductor giant and the nation’s second-largest company, operates as the world’s largest memory chip supplier. The firm specializes in manufacturing dynamic random-access memory (DRAM) and NAND flash memory chips, components essential to smartphones and personal computers. Currently, SK Hynix is navigating exploding demand from artificial intelligence data centers.
Holding approximately 55% market share, SK Hynix dominates the rapidly expanding High Bandwidth Memory (HBM) sector. As the primary memory supplier for AI hardware leaders like NVIDIA (NVDA), the company’s lightning-fast, vertically stacked HBM chips are positioned directly alongside graphics processing units (GPUs). This configuration enables highly efficient AI training and inference across data centers. A massive memory bottleneck continues to drive the AI revolution, with memory bandwidth remaining the single critical hurdle in hardware performance. Alongside a select group of global peers including Samsung and Micron (MU), SK Hynix has capitalized on its pricing power to sustain gross profit margins above 70%.
The financial impact is substantial. In 2025, SK Hynix’s earnings per share more than doubled as annual revenue surged 42% year-over-year. Last week, NVIDIA reported one of the most impressive earnings results in corporate history, generating a staggering $1 billion in daily revenue. Following a boosted forward outlook, Zacks Consensus Analyst Estimates project high double-digit growth for the company through 2028. As a key NVIDIA supplier, this trajectory delivers crystal-clear long-term visibility into compute demand for Wall Street investors.
Geopolitical dynamics are simultaneously reshaping the supply chain. As U.S.-China trade tensions reach a tipping point, Washington is prioritizing the onshoring of complex chip manufacturing over the coming years. On August 27th, SK Hynix broke ground on a $4 billion HBM fabrication facility in West Lafayette, Indiana. Supported by approximately $458 million in CHIPS Act funding and $500 million in loans, the site is scheduled to begin mass production of next-generation HBM by late 2029.
From a technical market perspective, SKHY shares are currently carving out a classic IPO base structure. Ranked as a Zacks Rank #2 (Buy), SK Hynix has firmly positioned itself at the center of the AI supply ecosystem as computational workloads continue to stress data center infrastructure to their absolute limits.
SKHY -2.31% | NVDA -1.39%
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This article originally published on Zacks Investment Research (zacks.com).