Generative AI Fundamentals Map
Map/Compute hardware/Wave 1

Memory bandwidth and supply

High-bandwidth memory that feeds chips fast enough.

capabilityBuilt today Built but scarce · 5 of 5 Open on the map →

Facts

Lane
Compute hardware
Wave
1 of 12 (build order, not a date)
Needs
0 boxes all the way back through hard links
Unlocks
109 boxes downstream through hard links
Leverage
None: already built
Cluster
Around datacentre capex

Evidence as of October 2026

TrendForce reports AI could take nearly 20% of global DRAM supply in 2026; high-bandwidth memory uses about four times the wafer capacity of standard DRAM per gigabyte.

  1. 01TrendForce: AI reportedly to consume 20% of global DRAM wafer capacity in 2026

Around it

Needs · 0

Nothing beyond the detail list. It can start at any time.

Unlocks · 2

Loops and off-ramps