集邦咨询：预估HBM4量产时程延至2026年第一季度末

Group 1 - The core viewpoint of the article highlights that NVIDIA is adjusting the specifications of its Rubin platform's HBM4, increasing the Speed per Pin requirement to over 11 Gbps, which necessitates design revisions from three major HBM suppliers [1] - The demand for NVIDIA's previous generation Blackwell products has exceeded expectations due to the AI boom, leading to a shift in the mass production timeline for the Rubin platform [1] - As a result of these factors, the mass production of HBM4 is now expected to be delayed, with the earliest anticipated start in the first quarter of 2026 [1]