SK hynix ships the first 12-layer HBM4 samples (36 GB, over 2 TB/s) to customers

SK hynix/HBM4

SK hynix shipped the world's first 12-layer HBM4 samples to customers ahead of mass production. HBM4 is the next generation of high-bandwidth memory for AI accelerators, offering higher capacity and bandwidth than HBM3.

• SK hynix first to ship 12-layer HBM4 samples; mass production to follow.
• HBM4 specs: 12-layer stack with 36 GB capacity and over 2 TB/s bandwidth; next evolution beyond HBM3.
• Target: AI accelerators and high-performance computing systems requiring dense memory integration.