AI hardware doesn’t use regular DDR memory – it’s too slow. Instead, the preferred format is High Bandwidth Memory or HBM. SK hynix just announced that it has started delivering samples of the latest HBM4E to its customers.HBM4E delivers 16Gbps of bandwidth per pin. For comparison, the previous HBM4 standard did 10Gbps per pin. Samsung started sampling its own HBM4E design a month ago and it claimed 14Gbps per pin.The design currently being shipped to SK hynix’s partners has 12 dies stacked on top of each other. This 12-layer design works out to 48GB of capacity – that is per...