SK hynix Completes Development of Next-gen HBM4 with 2,048-bit Interface and 10 GT/s Speeds

On September 12, 2025, SK hynix announced the completion of development for its next-generation HBM4 memory stacks. These new memory stacks feature a 2,048-bit interface and deliver speeds up to 10 GT/s, which is a remarkable 25% increase over JEDEC specifications. This advancement positions HBM4 as a powerful solution for next-gen AI accelerators, offering enhanced performance and efficiency.

The details were reported by Tom's Hardware in their latest coverage on September 12, 2025. For those interested in learning more, the original article can be found here.