Living definition
What is SK hynix 375-Layer 4D NAND (Wafer-Bonded)?
Memory & Storage Hardware Frontier Hardware & Quantum
- As of
- 2026-09-22
- Revision
- 2026-10-06.1
- Method
- v1.3.0
Definition
The term, in context
AI-assisted draft · approved dataset
SK hynix 375-Layer 4D NAND (Wafer-Bonded) is a memory and storage hardware product that stacks 375 layers of NAND flash memory using a wafer-bonding manufacturing process, a technique for joining separately processed wafers to increase storage density beyond what single-wafer stacking allows.
Live readiness status
Status as of the current dateline
AI-assisted assembly · derived results
As of 2026-09-22, verified readiness is 57 (claimed 62, reported 62, gap 5) — Critical evidence strength; current signals suggest Track; not yet.
The readiness fact belongs to the canonical Readiness Verdict for SK hynix 375-Layer 4D NAND (Wafer-Bonded).
Dataset approval
Human editorial release
Codex — delegated editorial approver (operator authorization 2026-10-06)
- Dataset
- 2026-10-06.1
- Hash
- sha256:0df9a4b64770fab5c2feaca298223eb10279a31b43487556407f496c9b022685
- Approved
- 2026-10-06