US / Japan / Korea · Chips & Networking
AI Storage (Enterprise SSD & HDD)
AI training data and inference logs need exabytes of storage. Two companies make nearly all hard drives and a few make NAND, so supply is slow to follow demand.
NAND / platters→Drive→Storage server→Cluster
72
Tightness score ⓘ
#20 of 56
▲ Tightening
Lead time
6–12 mo
Theme 1M
−27.1%% in uptrend
0%Metric to watch
HDD lead times, NAND contract prices, and enterprise SSD revenue at SanDisk, Kioxia, Seagate and Western Digital.
What would prove us wrong
Weakens if NAND and HDD makers add capacity faster than AI storage demand grows.
Storage theme performance
Equal-weight · rebased 100 · 1YStocks we track
Who controls this bottleneck
Roles, not recommendations. Delayed prices; local currency.
| Stock | Role | Listing | Last | 1D | 1M | 3M | YTD | Off 52w high | Trend | Next earnings |
|---|---|---|---|---|---|---|---|---|---|---|
| SNDK SanDisk |
NAND flash and enterprise SSDs | NASDAQ US |
$1,272.0 | +2.74% | −28.4% | +16.1% | +435.9% | −45.5% | 2026-10-29 | |
| WDC Western Digital |
Hard drives for AI data storage | NASDAQ US |
$360.8 | +4.98% | −21.0% | −22.1% | +109.7% | −51.6% | 2026-10-22 | |
| STX Seagate Technology |
Hard drives (HAMR) for AI data storage | NASDAQ US |
$660.7 | +4.79% | −27.9% | −11.5% | +140.7% | −39.5% | 2026-10-27 | |
| 285A.T Kioxia |
NAND flash and enterprise SSDs | TSE Japan |
¥12,550 | −1.61% | −31.0% | −41.4% | +260.8% | −65.4% | 2026-10-30 |
Recent headlines
Auto-updated- Neocloud Nebul's five storage optionsBlocks & Files · 7h ago
- Seagate’s HAMR drives gain Broadcom HBA approval for data centersInvesting.com · 7h ago
- Seagate's HAMR drives gain Broadcom HBA approval, Azure validationStreetInsider · 7h ago
- Seagate Simplifies High-Capacity Storage Scaling for AI and Cloud InfrastructureYahoo Finance · 7h ago
- SK Hynix Plans $12 Billion Dividend From Kioxia Gains: ReportBloomberg.com · 8h ago
- Earnings to watch: Seagate (STX) reports Q3 results tomorrowYahoo Finance · 8h ago