SanDisk High Bandwidth Flash HBF Completes Tape-Out, Sampling in 2027

SanDisk announced the latest progress on High Bandwidth Flash (HBF) at an investor meeting. The first product has completed tape-out, with plans to provide initial samples in 2027 and mass production in 2028. HBF combines HBM-level read bandwidth, achieving 8-16 times the capacity. According to SanDisk's internal data, when running large AI models, 4 GPUs can achieve the token output of 8 GPUs in an HBM system. The first version of HBF supports up to 512GB capacity, offering three bandwidth tiers, covering 0.4TB/s to 3.0TB/s.