What DDN makes for data centers
private
DDN is a private company. It appears on 1 part of the AI data center — AI storage systems — in the role of manufacturer. That part sits in Layer 2 — Memory & storage.
Parts, by layer
Layer 2 — Memory & storage
| Part | Role | Confidence | Competitors | Note |
|---|---|---|---|---|
| AI storage systems | manufacturer | disclosed | Dell, Everpure, HPE, IBM, NetApp, Supermicro |
Where DDN sits in the stack
DDN's placements in this catalog cover 1 part, 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
- AI storage systems — Purpose-built storage software and appliances — parallel file systems, object stores, and GPU-direct pipelines — that aggregate many drives into one system capable of feeding a large number of accelerators at once.
Closest peers in this catalog
Seen in real machines
DDN is named in 3 of the rack teardowns and supercomputer breakdowns on this site. Each line below is a piece of that machine.
- Leonardo · supercomputer
- Fast storage tier (5.7 PB raw all-flash, 31x DDN ES400NVX2 appliances with 24x 7.68 TB NVMe SSDs each) (EXAScaler appliances and Lustre software)
- Capacity tier and metadata (137.6 PB raw: 31x DDN ES7990X controllers with SS9012 expansion enclosures, 246x 18 TB SAS HDD per module; 4x DDN SFA400NVX flash metadata units) (ES7990X, SS9012 and SFA400NVX appliances; 66 DDN appliances in total across both tiers, in 12 racks)
- Eos · supercomputer
- Shared storage (DDN EXAScaler A3I, 48 appliances, 12 PB flash, 4 TB/s, under three racks at 100 kW) (DDN states it implemented its EXAScaler AI storage in Eos; NVIDIA's DGX vice president is quoted in the same release saying the A3I delivers the storage for Eos)
- Fugaku · supercomputer
- Second-tier shared storage (FEFS on Lustre; DDN SFA18K arrays, 5x SFA18KE + 25x SFA18KXE) (SFA18K Series arrays hosting the object storage servers; tested with 5 SFA18KE and 25 SFA18KXE)
Questions about DDN
- What does DDN make for AI data centers?
- This catalog places DDN on 1 part: AI storage systems (manufacturer).
- Is DDN publicly traded?
- No listing is on file for DDN in this catalog; it is recorded as private.
- Who else makes AI storage systems for AI data centers?
- Dell, Everpure, HPE, IBM, NetApp and Supermicro are also placed on AI storage systems in this catalog.
- How well sourced are these placements?
- Every part→company placement carries a confidence tag. For DDN the mix is 1 disclosed. "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.