Samsung Unveils 400-Layer V10 NAND and Next-Gen zHBM Concept
Samsung has unveiled its next-generation 3D memory roadmap, introducing the industry's first V10 BV-NAND with over 400 layers and a new "zHBM" concept that vertically stacks high-bandwidth memory directly onto AI accelerators. This development addresses critical bottlenecks in AI hardware by drastically reducing data transfer distances and increasing memory density, which is crucial for handling massive AI training and inference workloads. The V10 BV-NAND achieves a 58% density increase over the previous V9 generation using wafer-bonding technology, while the zHBM concept claims to offer 8 times the performance and over 10 times the density of HBM5.
## BACKGROUND
High-Bandwidth Memory (HBM) is critical for AI accelerators like GPUs, but traditional designs place them adjacent to the processor, creating physical distance limitations. Wafer-bonding and 3D stacking technologies allow manufacturers to build memory vertically, bypassing physical space constraints and improving energy efficiency.