What Kioxia makes for data centers
public · HQ Japan
Kioxia is a publicly listed company and based in Japan. It appears on 3 parts of the AI data center — NAND flash, Drives and Controllers — in the role of manufacturer. Those parts sit in Layer 2 — Memory & storage. Its shares trade on Tokyo Stock Exchange as 285A.T.
Listing
Tokyo Stock Exchange: 285A.T· 12755 JPY +0.59% · mkt cap 20.38T JPY
Snapshot 2026-10-25T10:41:17Z — nightly, not real-time.· Chart on TradingView ↗
Exposure
3 parts across 1 layer
No disclosed data-center revenue share on file.
Parts, by layer
Layer 2 — Memory & storage
| Part | Role | Confidence | Competitors | Note |
|---|---|---|---|---|
| NAND flash | manufacturer | disclosed | Micron, SK Hynix, Samsung Electronics, SanDisk, YMTC | |
| Drives | manufacturer | disclosed | Micron, Phison, SK Hynix, Samsung Electronics, SanDisk, Seagate | |
| Controllers | manufacturer | inferred | Marvell, Microchip, Micron, Phison, Samsung Electronics, Silicon Motion |
Where Kioxia sits in the stack
Kioxia's placements in this catalog cover 3 parts, all in layer 2, memory & storage. None of them currently carries a sourced supply constraint tag. Across these parts it overlaps with other companies most often on the lines below.
What these parts are
- NAND flash — Non-volatile flash memory die — the raw storage medium later packaged into SSDs — that holds data and model artifacts when the system is powered off.
- Drives — The physical NVMe SSD units themselves, in the dense form factors common in AI compute trays, installed directly in a server or storage node.
- Controllers — The chip inside or paired with an SSD that manages NAND wear-leveling, error correction, and the drive's host interface.
Closest peers in this catalog
| Company | Shared parts | Including | |
|---|---|---|---|
| Micron | 3 | NAND flash, Drives, Controllers | Compare → |
| Samsung Electronics | 3 | NAND flash, Drives, Controllers | Compare → |
| Phison | 2 | Drives, Controllers | |
| SanDisk | 2 | NAND flash, Drives | |
| SK Hynix | 2 | NAND flash, Drives | |
| Marvell | 1 | Controllers |
Seen in real machines
Kioxia is named in 2 of the rack teardowns and supercomputer breakdowns on this site. Each line below is a piece of that machine.
- Nvidia GB300 NVL72 · rack teardown
- E1.S NVMe SSDs
- Frontier · supercomputer
- Orion drives (Seagate Exos X18 18 TB HDDs, Samsung PM1733 NVMe performance tier, KIOXIA 30 TB NVMe metadata tier) (30 TB NVMe SSDs in the metadata units)
Latest feed
- Kioxia targets higher-value AI storage with Nvidia partnership, advanced NAND technology — DigiTimes, 2026-10-20Kioxia plans to focus on developing high-value, proprietary NAND flash solutions for AI applications rather than increasing overall storage capacity.
- Kioxia unveils E1.L SSDs for hyperscalers with up to 122.88TB capacity — Tom's Hardware, 2026-10-09Kioxia has announced the E1.L enterprise SSD line, featuring capacities up to 122.88TB, targeted at hyperscale customers.
- Kioxia LD4 E1.L QLC NVMe SSD Announced — ServeTheHome, 2026-10-08Kioxia has announced the LD4 E1.L QLC NVMe SSD, a high-capacity storage solution designed for enterprise applications.
- Kioxia CM9-R 15.36TB E3.S NVMe SSD Review — ServeTheHome, 2026-10-05The article provides a technical review of the Kioxia CM9-R 15.36TB E3.S NVMe SSD.
- This is BiCS NAND Close Up from Kioxia and Sandisk — ServeTheHome, 2026-10-02The story highlights the BiCS NAND flash technology from Kioxia and SanDisk.
- Applied Materials' EPIC Center adds Kioxia for AI memory, 3D stacking push — DigiTimes, 2026-10-01Applied Materials has partnered with Kioxia to expand its EPIC Center capabilities for advancing 3D stacking and AI memory technologies.
- Applied Materials and Kioxia team up on AI-era memory tech — DigiTimes, 2026-10-01Applied Materials and Kioxia have partnered to develop advanced memory technologies to support the increasing demands of AI hardware.
- Kioxia XL1 CXL XL-FLASH NAND Device Shown — ServeTheHome, 2026-09-19Kioxia unveiled the XL1, an XL-FLASH Generation 2 NAND device designed to function as a 512GB memory expansion unit using CXL technology.
- Memory LTAs lock up 50-70% of capacity — DigiTimes, 2026-09-17Memory manufacturers are aggressively locking up capacity through long-term supply agreements (LTAs), with Kioxia having 50% and Micron around 60% of its capacity tied up.
- Kioxia Exceria Pro G2 2TB SSD Review — Speed built to last — Tom's Hardware, 2026-09-12Kioxia released a review of its Exceria Pro G2 SSD, which utilizes PCIe 5.0 for storage.
Questions about Kioxia
- What does Kioxia make for AI data centers?
- This catalog places Kioxia on 3 parts: NAND flash (manufacturer), Drives (manufacturer) and Controllers (manufacturer).
- Is Kioxia publicly traded?
- Yes — Kioxia is listed on Tokyo Stock Exchange under 285A.T. Prices shown on this page are a nightly snapshot, not real-time, and nothing here is investment advice.
- Where is Kioxia based?
- Japan, per the company record in this catalog.
- Who else makes NAND flash for AI data centers?
- Micron, SK Hynix, Samsung Electronics, SanDisk and YMTC are also placed on NAND flash in this catalog.
- How well sourced are these placements?
- Every part→company placement carries a confidence tag. For Kioxia the mix is 2 disclosed and 1 inferred. "disclosed" means the company or a filing says so; "reported" comes from trade press or a reference-design list; "inferred" is a lead from the taxonomy with no citation yet. Treat reported and inferred as leads, not facts.
Answers are generated from this catalog's own rows — see sources & method.