SK hynix HBM4 memory chip ready for mass production in 2025, enabling faster AI and cloud computing.

SK hynix Prepares for HBM4 Mass Production After Certification

SK hynix confirmed it has completed internal certification of HBM4 memory and is preparing to begin mass production. The company says it shipped 12-layer HBM4 samples in 2025 and completed customer testing. This milestone is critical for AI models, hyperscale data centers, and high-performance computing applications that rely on high memory bandwidth for real-time processing…