- Tech News & Insight
- September 15, 2025
- Hema Kadia
SK hynix says it has completed development and readied mass production of HBM4, signaling a new performance and efficiency baseline for nextโgeneration AI accelerators and cloud infrastructure. HBM4 doubles perโstack bandwidth versus the prior generation by moving to a 2,048โbit I/O interface and pushing data rates beyond 10 Gbps per



