SK hynix and SanDisk Drive Global Standardization for High Bandwidth Flash Memory

• February 27, 2026

SK hynix and SanDisk have jointly announced the launch of a global initiative focused on the standardization of High Bandwidth Flash (HBF) memory. This new type of memory technology serves as an intermediary solution that bridges the performance gap between High Bandwidth Memory (HBM) and Solid-State Drives (SSD).

Efforts Toward High Bandwidth Flash Standardization

This collaborative project operates under the umbrella of the Open Compute Project (OCP), a community that aims to accelerate hardware development through open standards. By fostering a universal standard for High Bandwidth Flash, SK hynix and SanDisk intend to streamline adoption and interoperability across the industry.

The introduction of High Bandwidth Flash represents a significant advancement in non-volatile memory technology. Positioned between the fast-access capabilities of HBM and the larger storage capacity typical of SSDs, HBF is designed to offer both high data throughput and persistent storage features, which current technologies cannot simultaneously optimize.

While specific technical characteristics, pricing, and deployment timelines for High Bandwidth Flash memory have not been detailed, the move toward standardization indicates a growing demand in sectors requiring rapid and reliable data access combined with substantial storage capacity. Potential applications span from data centers and high-performance computing systems to emerging AI workloads that benefit from swift data retrieval.

By contributing to the Open Compute Project, SK hynix and SanDisk align with an ecosystem that embraces transparency and collaboration, potentially accelerating the rate at which High Bandwidth Flash technologies are adopted industry-wide.

This initiative highlights the ongoing evolution in the memory and storage markets as companies seek innovative ways to balance speed, capacity, and efficiency in response to escalating data demands.

SK hynix and SanDisk have initiated a project within the Open Compute Project to standardize High Bandwidth Flash memory bridging HBM and SSD technologies.