What Micron makes for data centers
public · HQ Boise, United States · micron.com
Micron makes DRAM — including HBM3E high-bandwidth memory for AI accelerators and LPDDR5X for Grace-class server CPUs — plus NAND flash, enterprise SSDs, and server memory modules. Data center demand, driven by HBM and high-capacity server DRAM, has become the largest driver of its revenue per its own earnings materials.
Listing
US exchanges (NYSE/Nasdaq): MU· 878 USD +3.77% · mkt cap 992.9B USD
Snapshot 2026-10-25T10:41:17Z — nightly, not real-time.· Chart on TradingView ↗
Exposure
7 parts across 1 layer · 2 constrained
No disclosed data-center revenue share on file.
Parts, by layer
Layer 2 — Memory & storage
| Part | Role | Confidence | Competitors | Note |
|---|---|---|---|---|
| HBMconstrained | manufacturer | disclosed | BESI, Disco, Hanmi Semiconductor, SK Hynix, Samsung Electronics | |
| DRAMconstrained | manufacturer | disclosed | Nanya, SK Hynix, Samsung Electronics, Winbond, CXMT | |
| Memory modules | in house | disclosed | ADATA, Netlist, Penguin Solutions/SMART, SK Hynix, Samsung Electronics, Kingston | |
| CXL controllers & memory expanders | manufacturer | inferred | Astera Labs, Marvell, Microchip, Montage, Rambus, SK Hynix | |
| NAND flash | manufacturer | disclosed | Kioxia, SK Hynix, Samsung Electronics, SanDisk, YMTC | |
| Drives | manufacturer | disclosed | Kioxia, Phison, SK Hynix, Samsung Electronics, SanDisk, Seagate | |
| Controllers | manufacturer | inferred | Kioxia, Marvell, Microchip, Phison, Samsung Electronics, Silicon Motion |
Where Micron sits in the stack
Micron's placements in this catalog cover 7 parts, all in layer 2, memory & storage. 2 of them are tagged constrained, meaning a sourced shortage rather than a long lead time. Across these parts it overlaps with other companies most often on the lines below.
What these parts are
- HBMconstrained — High-bandwidth memory stacked directly on the same package as an AI accelerator, giving the GPU or ASIC very fast, close-range access to the memory it needs to stay fed.
- DRAMconstrained — Off-package system memory — DDR5 modules for host CPUs and LPDDR5X soldered near Nvidia's Grace CPU — that holds the working data a server's processors operate on.
- Memory modules — The physical DIMM (or module) that packages raw DRAM die, substrate, and management circuitry into the pluggable unit a server actually sockets.
- CXL controllers & memory expanders — Chips that let a server attach an extra pool of DRAM over a CXL link rather than only through the CPU's own memory channels, expanding usable capacity beyond what fits in local DIMM slots.
- 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.
- and 2 more in the table above.
Closest peers in this catalog
| Company | Shared parts | Including | |
|---|---|---|---|
| Samsung Electronics | 7 | HBM, DRAM, Memory modules and 4 more | Compare → |
| SK Hynix | 6 | HBM, DRAM, Memory modules and 3 more | Compare → |
| Kioxia | 3 | NAND flash, Drives, Controllers | Compare → |
| Marvell | 2 | CXL controllers & memory expanders, Controllers | |
| Microchip | 2 | CXL controllers & memory expanders, Controllers | |
| Phison | 2 | Drives, Controllers |
Seen in real machines
Micron 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
- HBM3E (288 GB per GPU)
- Grace CPU and LPDDR5X
- E1.S NVMe SSDs
- Leonardo · supercomputer
- System memory (Booster 512 GB DDR4-3200 per node; Data Centric 512 GB DDR5-4800 per node) (Eviden's 2022 release says Leonardo relies on Micron DDR5 DRAM; DDR5 is fitted only in the Data Centric nodes)
Disclosed customers
From the blog
Latest feed
- Micron's next-generation 3D NAND to double bit density with over 400 layers, offering extreme performance — Tom's Hardware, 2026-10-23Micron's next-generation 3D NAND technology is set to achieve a density of 42 Gb/mm2 using over 400 layers, boosting SSD capacity and performance.
- Micron pulls the plug on future 4F² DRAM after two decades of research in dramatic shift — Tom's Hardware, 2026-10-22Micron announced it is discontinuing the development of 4F² DRAM because future process nodes offer better bit density improvements for memory.
- Micron skips 4F² for 3D DRAM as CXMT pushes ahead — DigiTimes, 2026-10-22Micron announced it will forgo commercializing 4F² DRAM despite its advancement by CXMT due to perceived cost and complexity disadvantages.
- Micron's Taiwan union will launch a one-day strike this week, threatening memory production — Tom's Hardware, 2026-10-21Micron's Taiwan union plans a single-day strike at the Taoyuan DRAM facility due to demands for bonuses and clarity on future bonus terms.
- Micron develops robot memory as Samsung, SK Hynix target physical AI — DigiTimes, 2026-10-19Micron is developing robot memory technology, aiming to challenge competitors Samsung and SK Hynix in the physical AI market.
- Weekly news roundup: Tata's Dholera fab faces test; how Intel's CEO helped reshape its comeback — DigiTimes, 2026-10-19Intel's CEO provided assistance to Tata's Dholera fab, indicating potential support for its comeback.
- Elon Musk calls out memory makers over 'extortionate' chip pricing, says Micron is playing smart for long-term loyalty — Tom's Hardware, 2026-10-15Elon Musk criticized memory manufacturers for charging exorbitant prices while suggesting Micron is acting in a strategically advantageous manner for future loyalty.
- Elon Musk says Micron is 'reasonable' on memory prices while others are 'extortionate' — DigiTimes, 2026-10-14Elon Musk commented on the memory market, stating that Micron's pricing is reasonable compared to other suppliers.
- SK Hynix, Micron confront AI memory bottlenecks with HBM standardization, chip integration — DigiTimes, 2026-10-14SK Hynix and Micron are addressing AI memory limitations through the standardization and integration of HBM technology.
- CXMT's server DRAM push raises margin concerns for Samsung, SK Hynix — DigiTimes, 2026-10-13Market competition from CXMT's expanding server DRAM production is creating pricing pressure and margin concerns for industry leaders Samsung and SK Hynix.
Questions about Micron
- What does Micron make for AI data centers?
- This catalog places Micron on 7 parts: HBM (manufacturer), DRAM (manufacturer), Memory modules (in house), CXL controllers & memory expanders (manufacturer), NAND flash (manufacturer), Drives (manufacturer) and Controllers (manufacturer).
- Is Micron publicly traded?
- Yes — Micron is listed on US exchanges (NYSE/Nasdaq) under MU. Prices shown on this page are a nightly snapshot, not real-time, and nothing here is investment advice.
- Where is Micron based?
- Boise, United States, per the company record in this catalog.
- Who else makes HBM for AI data centers?
- BESI, Disco, Hanmi Semiconductor, SK Hynix and Samsung Electronics are also placed on HBM in this catalog.
- How well sourced are these placements?
- Every part→company placement carries a confidence tag. For Micron the mix is 5 disclosed and 2 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.
Verification: enriched, last verified 2026-08-27. Sources: investors.micron.com · www.sec.gov.· Markdown · JSON