Key Findings
SK Hynix has announced the commencement of sample shipments for its 12-layer ‘HBM4E,’ a next-generation high-performance memory designed for AI accelerators, to its key customers. This innovative memory promises to significantly boost data processing speed and power efficiency compared to previous HBM4 generations, further pushing the performance boundaries of AI chips.
Technical and Business Details
- The HBM4E shipped boasts a data processing speed of up to 16Gbps per pin, which is over 30% faster than HBM4’s 11.7Gbps. This high bandwidth is crucial for efficiently meeting the massive data processing requirements in AI model training and inference.
- Power efficiency has also been substantially improved, with over a 20% gain compared to existing models. Reducing power consumption in AI data centers is a pressing challenge, and this efficiency enhancement will significantly contribute to lower operational costs and environmental impact.
- SK Hynix employs its proprietary Advanced MR-MUF (Mass Reflow-Molded Underfill) technology in this HBM4E product. This technology is vital for achieving high stacking layers while enhancing structural stability and heat dissipation. It enabled the realization of a large capacity of 48GB and a 17% reduction in thermal resistance compared to HBM4. The reduced thermal resistance contributes to the stable operation of memory chips in high-heat-generating AI chip environments.
- According to reports from TradingKey, SK Hynix has initiated sample shipments earlier than its initially planned “second half of the year” schedule, with shipments expected as early as this month or next.
- During Computex 2026, NVIDIA CEO Jensen Huang visited SK Hynix’s booth, leaving a message, “Produce more,” indicating the high level of industry anticipation for HBM4E.
- This HBM4E is manufactured using 10-nanometer class 6th generation (1c) DRAM, characterized by the fusion of cutting-edge process and packaging technologies.
Background & Context
The evolution of AI has dramatically escalated the demand for high-performance semiconductor chips and memory capable of processing vast amounts of data at high speeds. High-Bandwidth Memory (HBM) is an indispensable component for maximizing the performance of AI accelerators (such as GPUs), and technological leadership in HBM is paramount in the AI era. SK Hynix has been a long-standing pioneer in the HBM market, and this HBM4E sample shipment further solidifies its leadership.
Strategic Significance & Outlook
SK Hynix’s HBM4E is poised to dramatically enhance the performance of next-generation AI accelerators, enabling the training and inference of larger and more complex AI models. The initiation of sample shipments indicates that AI chip manufacturers are preparing to integrate HBM4E into their product roadmaps, and it is expected to significantly contribute to AI infrastructure performance improvements over the next few years. SK Hynix’s technological edge will be crucial in maintaining its dominant position in the HBM market and accelerating the growth of the overall AI semiconductor market.
Source: https://news.skhynix.com/12-layer-hbm4e-sample/
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