Core HBFPrimary sourceRoadmap
Catalog record / May 2026
SK hynix describes an HBF base-die architecture
SK hynix discussed AIN-B, a vertically stacked NAND architecture with a logic base die and high-bandwidth interface for AI workloads.
Why it matters
The description adds implementation detail from a second supplier, while still stopping short of a public product data sheet.
Exact source title
SK hynix Invention Day 2026: AIN-B and HBF
Tags
Reading rule
This record preserves the source's maturity label. A roadmap, research result, or announced specification should not be treated as independent evidence of shipping hardware.