SK Hynix Accelerates HBM4 Development to Meet Nvidia's Demand, Unveils 16-Layer HBM3E

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On Mon, 4 Nov, 4:02 PM UTC

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SK Hynix strengthens its position in the AI chip market by advancing HBM4 production and introducing new HBM3E technology, responding to Nvidia's request for faster delivery amid growing competition with Samsung.

SK Hynix Accelerates HBM4 Development

SK Hynix, the world's second-largest memory chip maker, is ramping up efforts to meet the surging demand for high-bandwidth memory (HBM) chips crucial for AI computing. In a significant move, Nvidia CEO Jensen Huang has requested SK Hynix to expedite the delivery of next-generation HBM4 chips by six months 13. This request underscores the global shortage of advanced AI chips and the intense competition in the semiconductor industry.

Strategic Partnerships and Technological Advancements

SK Hynix has strengthened its collaboration with Taiwan Semiconductor Manufacturing Company (TSMC), designating the foundry to manufacture its next-generation HBM4 logic die 1. This partnership is expected to leverage TSMC's advanced process capabilities, particularly in developing high-capacity Compute Express Link (CXL) memory solutions. The company has also signed a contract with AsicLand to design a CXL memory controller, further solidifying its position in the AI chip market 1.

Unveiling of 16-Layer HBM3E

In a groundbreaking announcement, SK Hynix revealed plans to ship samples of the world's first 16-layer HBM3E chips by early 2025 35. This new technology boasts a capacity of 48GB per stack and claims an 18% improvement in training performance and a 32% boost in inference performance compared to its 12-layer counterpart 5. The development of these chips utilizes advanced packaging techniques like Mass Reflow Molded Underfill (MR-MUF) to enhance thermal management 2.

Competition with Samsung

As SK Hynix advances its HBM technology, the competition with Samsung intensifies. Samsung has been lagging in HBM chip development, with its HBM3E product yet to receive Nvidia certification 14. The market capitalization gap between Samsung Electronics and SK Hynix reached its narrowest level in 13 years in October, reflecting the shifting dynamics in the memory chip industry 3.

Future Developments and Industry Impact

SK Hynix is not stopping at HBM3E and HBM4. The company is actively working on next-generation technologies, including PCIe 6.0 SSDs, high-capacity QLC eSSDs for AI servers, and UFS 5.0 for mobile devices 5. To address the "memory wall" challenge, SK Hynix is developing innovative solutions such as Processing Near Memory (PNM), Processing in Memory (PIM), and Computational Storage 5.

Nvidia's Influence and Market Dynamics

Nvidia, accounting for more than 80% of the world's AI chip consumption, plays a crucial role in shaping the memory chip market 2. The company's demand for faster and more advanced HBM chips is driving innovation and competition among suppliers. SK Group chairman Chey Tae-won predicts that the AI market will likely expand further around 2027, coinciding with the emergence of next-generation AI technologies 2.

As the race for AI chip supremacy continues, SK Hynix's accelerated development of HBM4 and introduction of 16-layer HBM3E position the company at the forefront of the AI memory chip market. The industry eagerly anticipates the impact of these advancements on AI computing capabilities and the broader technological landscape.

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