3D NAND

E45909

3D NAND is a type of flash memory in which memory cells are stacked vertically in multiple layers to achieve higher storage density, lower cost per bit, and improved performance compared to traditional planar NAND.

All labels observed (3)

Label Occurrences
3D NAND canonical 2
V-NAND 2
NAND flash 1

How this entity was disambiguated

Statements (50)

Predicate Object
instanceOf NAND flash memory
flash memory
non-volatile memory technology
alsoKnownAs V-NAND
linked to: 3D NAND

vertical NAND
canUseCellType MLC (multi-level cell)
QLC (quad-level cell)
SLC (single-level cell)
TLC (triple-level cell)
commercializationBegan early 2010s
comparedTo planar NAND flash
developedBy Intel
linked to: Intel Corporation

Micron Technology
SK hynix
Samsung Electronics
linked to: Samsung

Toshiba (now Kioxia)
linked to: Toshiba

Western Digital
enables high-capacity enterprise SSDs
multi-terabyte consumer SSDs
fabricatedUsing advanced lithography and etching techniques
firstMassProductionBy Samsung Electronics
linked to: Samsung
firstMassProductionProductName V-NAND
linked to: 3D NAND
hasAdvantageOverPlanarNAND better cost efficiency for large capacities
better performance for many workloads
higher capacity per die
improved endurance for some implementations
hasDisadvantage higher initial capital cost for fabrication
more complex manufacturing process
hasKeyFeature better bit cost scaling at advanced process nodes
higher storage density than planar NAND
improved scalability compared to planar NAND
larger effective cell size in vertical dimension
lower cost per bit than planar NAND
multiple memory layers
reduced cell-to-cell interference compared to planar NAND
vertically stacked memory cells
nonVolatile true
organizedInto blocks and pages
requiresProcessStep high-aspect-ratio etching of vertical channels
retainsDataWithoutPower true
storesDataAs charge levels in floating gate or charge-trap structures
supports high layer counts (e.g., over 100 layers in modern products)
usedIn USB flash drives
embedded storage (eMMC, UFS)
enterprise storage systems
memory cards
solid-state drives (SSDs)
usesStructure charge-trap flash cells
stacked wordline layers
vertical channel structure

How these facts were elicited

Referenced by (5)

Full triples — surface form annotated when it differs from this entity's canonical label.

Western Digital technology 3D NAND
SanDisk technology NAND flash
linked to: 3D NAND
3D NAND firstMassProductionProductName V-NAND
linked to: 3D NAND
3D NAND alsoKnownAs V-NAND
linked to: 3D NAND
Micron Technology R&DFocus 3D NAND