Technology
Large Language Model
From HBM memory to grid power — the hidden stack behind every chatbot.
Curated sector reports
Large Language Model
Technology·⚠ HBM memory & CoWoS packaging
Key chokepoints (3)
GPU / AI accelerator silicon
⚠ active chokepoint
Leading-edge nodes (3–5 nm) and HBM packaging are concentrated among a handful of fabs and OSAT partners.
Related tickers: NVDA, TSM
High-bandwidth memory (HBM)
⚠ active chokepoint
Only SK hynix, Samsung, and Micron supply HBM3e at volume; lead times stretch during AI build-outs.
Related tickers: 000660.KS
CoWoS advanced packaging
⚠ active chokepoint
TSMC CoWoS capacity has been a binding constraint on AI accelerator shipments.