SK Hynix has unveiled the first standard specifications for High Bandwidth Flash (HBF), a new memory tier designed to sit between HBM and SSDs in AI systems. The open standard supports up to 512 GB capacities, bandwidth of up to 3 TB/s and UCIe connectivity. 4 Reviews ← exclude selected types ← exclude selected tagsSK Hynix has added to the long list of memory types you can’t buy by announcing the first standard specifications for High Bandwidth Flash (HBF), a new class of memory that sits between High Bandwidth Memory (HBM) and the NAND flash used in conventional SSDs. SK Hynix has published the specification through the Open Compute Project (OCP), allowing for broader industry adoption. The HBF consortium currently includes Sandisk, Google and Tenstorrent, with SK hynix saying it intends to expand participation as the ecosystem matures.