A single HBM4 stack with 2048 I/O contacts is expected to transfer up to 2 TByte per second. HBM4 is the memory standard for which Nvidia has optimized its upcoming Rubin generation of data center ...

High Bandwidth Memory (HBM) is the commonly used type of DRAM for data center GPUs like NVIDIA's H200 and AMD's MI325X. High Bandwidth Flash (HBF) is a stack of flash chips with an HBM interface.

IBM's so-called 3D-chip technology is set to be used in next-generation memory processors from Micron ... vertical conduits that electrically connect a stack of individual chips.