3D NAND Hits 400+ Layers with Hybrid Bonding 3D NAND exceeds 400 layers with hybrid bonding. Samsung adopts Yangtze Memory¡¯s Xtacking for V10 NAND, boosting density and performance. 3D NAND density Flash hybrid bonding innovation layers Samsung V10 wafer-to-wafer Xtacking Yangtze August 27, 2025