Memory & Storage

Where AI Keeps Its Data  | Updated April 2026

Where Memory & Storage Sits in the Supply Chain

Semiconductor Ecosystem Pyramid

Memory & Storage sits in the middle of the pyramid — DRAM and NAND chips go into every server, phone, and PC. When AI drives more compute, it drives more memory demand.

The Problem
AI chips are only as fast as the memory feeding them data. Without enough high-speed memory, even the most powerful GPU sits idle waiting for information.
The Solution
These companies make DRAM (fast temporary memory), NAND (permanent storage), and HBM (High Bandwidth Memory — specialized stacks of memory chips built directly onto AI processors).
Why It Matters Now
HBM demand is exploding as every AI chip needs more memory. Memory prices are doubling in 2026, which is bad for PC makers but great for memory producers. Supply takes 2+ years to build.
MU
Micron Technology
DRAM and NAND memory chips. Leading HBM supplier for AI GPUs alongside Samsung and SK Hynix. Revenue growing 35%+ on AI memory demand.
Report →
SNDK
SanDisk (Western Digital)
Flash storage solutions spun off from Western Digital. Consumer and enterprise SSDs, memory cards, and USB drives.
Report →
STX
Seagate Technology
Hard disk drives (HDDs) for data centers and consumers. Benefiting from nearline storage demand driven by cloud and AI data growth.
Report →
WDC
Western Digital
HDDs and SSDs for data centers and consumers. Nearline HDD demand strong from hyperscaler cloud storage buildout.
Report →
Source: SEC EDGAR annual and quarterly filings, company earnings conference calls and presentations.
Disclaimer: This page is for educational purposes only. NO investment advice.