ACIS ResearchAI Civilization Investment Research中文AI INFRASTRUCTURE · LAYER 03
03Memory
Coverage Layer
Memory has moved from a conventional cyclical component to a bandwidth constraint for AI training and inference. HBM, server DRAM, enterprise SSDs and consumer NAND must now be assessed separately.
COVERAGE UNIVERSE
What we track
01Samsung · SK hynix · Micron
02HBM · Server DRAM
03Enterprise SSD · NAND
04CXMT · YMTC
NEXT VERIFIABLE CHECKS
What must be proven next
- HBM4 supply, bookings and qualification
- Server DRAM and enterprise SSD pricing and orders
- Whether 2027 capacity changes the cycle
- Chinese suppliers' yields, enterprise qualification and valuation
Research focusCompare product road maps, customer breadth, margins and cash conversion to distinguish durable infrastructure value from a short product cycle.
PUBLISHED RESEARCH
Research already filed under this layer
WEEKLY