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
−28.5%% 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 |
$1,150.9 | −13.47% | −35.6% | −10.7% | +384.8% | −50.7% | 2026-10-29 | |
| WDC Western Digital |
Hard drives for AI data storage | NASDAQ US |
$366.1 | −7.41% | −20.9% | −30.5% | +112.8% | −50.9% | 2026-10-22 | |
| STX Seagate Technology |
Hard drives (HAMR) for AI data storage | NASDAQ US |
$644.6 | −7.98% | −31.8% | −22.4% | +134.8% | −41.0% | 2027-01-26 | |
| 285A.T Kioxia |
NAND flash and enterprise SSDs | TSE Japan |
¥13,470 | −7.14% | −25.6% | −9.3% | +287.2% | −62.8% | 2026-10-30 |
Recent headlines
Auto-updated- Kioxia’s NAND price slowdown and what it means for memory stocksInvesting.com · 2h ago
- How to Check and Configure NVIDIA GPUDirect Storage for Your Platform | NVIDIA Technical BlogNVIDIA Developer · 7h ago
- Sandisk: Why The Panic Over A NAND Slowdown May Be OverdoneTradingView · 7h ago
- What Could Lift Western Digital Stock?Yahoo Finance · 8h ago
- Sandisk shares slide 8% despite earnings beat as investors weigh valuationYahoo Finance · 8h ago
- Kioxia’s Profit Jumps Due to Ballooning AI Data Storage NeedsBloomberg.com · 8h ago