Nvidia(US:NVDA) Hua Er Jie Jian Wen·2026-02-19 04:04Core Insights - Nvidia's CEO Jensen Huang hosted a rare dinner for engineers from SK Hynix, highlighting the strategic importance of the next-generation high-bandwidth memory HBM4 for Nvidia's AI chip business [1][4] - The dinner signals Nvidia's view of HBM4 as a key differentiator for its upcoming AI accelerator, Vera Rubin, which is set to launch in the second half of this year [3][5] Group 1: HBM4 Specifications and Market Dynamics - Nvidia has set stringent specifications for HBM4, requiring a running speed of over 11 Gbps and a bandwidth exceeding 3.0 TB/s, which is over 30% higher than AMD's requirements [3][6] - SK Hynix has secured over 55% of the HBM supply allocation for this year, while Samsung and Micron hold approximately 20% each [3][6] - Samsung has begun shipping HBM4 products with a running speed of 11.7 Gbps and a bandwidth of 3.3 TB/s, marking a competitive entry into the HBM4 market [6][7] Group 2: Strategic Partnerships and Execution - Huang's personal involvement in the dinner is seen as a significant gesture of recognition and encouragement for SK Hynix, emphasizing the importance of timely delivery and performance optimization [4][9] - The upcoming months will be critical for SK Hynix to maintain its leading position in the competitive landscape of HBM4 supply [9]