South Korea’s semiconductor industry is witnessing a historic momentum as June memory chip exports appear poised to shatter the record set just last month. Driven by an insatiable appetite for artificial intelligence (AI) infrastructure and a widening supply-demand gap, the industry is seeing a synchronized spike in both export volume and average selling prices (ASP).
According to preliminary customs data from the Korea Customs Service (TRASS) released on the 22nd, memory chip exports reached over $23 billion within the first 20 days of June. This figure already accounts for more than 60% of the total record-breaking performance of $371.6 billion achieved in May. Market analysts project that total memory exports for June will likely settle between $38 billion and $42 billion, marking a significant milestone that reaffirms the structural expansion of the AI memory "super-cycle."
The Engine Behind the Surge: HBM and Supply Constraints
The most prominent driver of this growth is the high-bandwidth memory (HBM) sector. Exports of Multi-Chip Packages (MCP), which include HBM, surged by 51% compared to the previous month. As global big-tech firms continue to pour investments into AI data centers—such as the high-profile "Colossus" project—the chronic supply shortage of HBM3E and HBM4, primarily manufactured by SK Hynix, remains a critical bottleneck.
This intensive focus on HBM production has led to a strategic reallocation of wafer capacity, naturally tightening the supply of legacy, general-purpose DRAM. Consequently, the price of general-purpose DRAM has soared to two to three times the levels seen during the same period last year. This surge is further bolstered by a broader recovery in PC and mobile demand, effectively neutralizing the supply constraints with high-value export growth.
Storage Drives and System-Wide Gains
The AI fever has extended beyond processing units into the storage sector. Driven by the expansion of AI inference servers, demand for NAND flash and solid-state drives (SSD) has exploded. Both categories recorded a 25% to 28% increase from the previous month, cementing the sustainability of the current AI-led cycle.
Notably, the dominance of memory chips within South Korea's total semiconductor exports has expanded from the traditional 70% range to 90% this month. With the inclusion of system semiconductors, the total national semiconductor export value for June is projected to reach between $42 billion and $46 billion.
A New Paradigm for the Semiconductor Industry
As these robust results continue to surface, securities firms are revising their earnings forecasts for major memory manufacturers upward. Park Jun-young, an analyst at Hanwha Investment & Securities, noted that the South Korean memory industry has effectively reinforced its resilience through Long-Term Agreements (LTA) and its technological leadership in HBM.
"The industry has evolved to overcome its traditional vulnerabilities," Park explained. "Even when a period of earnings decline inevitably arrives in the future, the structural foundation built on AI memory ensures that the industry will not face the severe downturns in operating profit seen in the past."
As the month closes and final shipments are processed, the industry remains optimistic. The current performance is more than just a temporary fluctuation; it is a clear signal that the memory semiconductor industry has entered a new, structurally elevated phase of growth, firmly anchored by the relentless demands of the global AI revolution.
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