COMPUTE ATLAS Supercomputer supply-chain graph
1540 systems 545 sites Sourced data

Companies/DDN

Chatsworth, CA, USA

DDN

Parallel file system storage appliances; a common storage tier under large HPC systems.

Systems this company appears in

Systems
48
Aggregate Rmax
580.1 PFlop/s
systems it appears in
Aggregate power
24.01 MW
where disclosed
First appearance
2008-01
Most recent
2026-06-19
Concentration
42%
largest is Leonardo

Aggregate Rmax is the sum of the systems this company supplies any part of. It is not revenue and not attributable share: an integrator and a memory vendor in the same machine both count its full FLOPS here. Attribution weighted by role is Phase 4.

Role breakdown

Role Systems Rmax in those systems
Storage 48 580.1 PFlop/s

Appearances

System Supplied as Shipped under Rmax Rank
ROQUO
Japan · 2026-06-19
Storage DDN 19.80 PFlop/s unranked
Sirius (Tsukuba)
Japan · 2026
Storage DDN 5.63 PFlop/s unranked
Mayo Clinic DGX SuperPOD
USA · 2025-07
Storage DDN - unranked
Plasma Simulator Sosei
Japan · 2025-07
Storage DDN - unranked
Miyabi
Japan · 2025-01
Storage DDN 46.80 PFlop/s #28 November 2024 →
VISION (TAMUS)
USA · 2025
Storage DDN 34.82 PFlop/s unranked
Siam.AI Cloud H100 Cluster
Thailand · 2024-12
Storage DDN - unranked
Arka
India · 2024-09
Storage DDN 8.28 PFlop/s #188 November 2024 →
HOKUSAI BigWaterfall 2
Japan · 2023-12-04
Storage DDN - unranked
Nabuchodonosor
France · 2023-10
Storage DDN - unranked
Nautilus
USA · 2023-04
Storage DDN 3.90 PFlop/s #194 November 2023 →
Leonardo
Italy · 2022-11
Storage DDN 241.2 PFlop/s #18 November 2023 →
NEC AI Research Supercomputer
Japan · 2022-05
Storage DDN - unranked
Topaze
France · 2021-06
Storage DDN 3.26 PFlop/s #201 June 2023 →
SQUID
Japan · 2021-05
Storage DDN 6.11 PFlop/s #159 June 2025 →
Vega
Slovenia · 2021-04
Storage DDN 6.92 PFlop/s #106 June 2021 →
HiPerGator AI
USA · 2021
Storage DDN 17.49 PFlop/s #106 November 2025 →
TOKI-SORA
Japan · 2020-11
Storage DDN 16.59 PFlop/s #19 November 2020 →
Selene
USA · 2020-06
Storage DDN 63.46 PFlop/s #36 November 2023 →
Hawk
Germany · 2020-02
Storage DDN 19.33 PFlop/s #16 June 2020 →
davinci-1
Italy · 2020
Storage DDN 3.45 PFlop/s #88 November 2020 →
Phoenix (PACE)
USA · 2020
Storage DDN 1.84 PFlop/s #277 November 2020 →
Jean Zay V100
France · 2019
Storage DDN 4.48 PFlop/s #64 November 2020 →
Mustang (AFRL)
USA · 2018-12
Storage DDN 3.22 PFlop/s #48 June 2018 →
Grand Chariot
Japan · 2018-12
Storage DDN 2.00 PFlop/s #95 November 2018 →
Nurion
South Korea · 2018-10
Storage DDN 13.93 PFlop/s #11 June 2018 →
Kay
Ireland · 2018-08
Storage DDN 665.00 TFlop/s unranked
Gaffney
USA · 2018
Storage DDN 2.00 PFlop/s #86 June 2018 →
Koehr
USA · 2018
Storage DDN 2.00 PFlop/s #85 June 2018 →
OCTOPUS
Japan · 2017-12
Storage DDN - unranked
TSUBAME3.0
Japan · 2017-08
Storage DDN 8.13 PFlop/s #59 November 2023 →
Raad2
Qatar · 2017
Storage DDN 120.00 TFlop/s unranked
Lonestar 5
USA · 2016
Storage DDN 1.02 PFlop/s #79 November 2015 →
Grace (UCL)
United Kingdom · 2015-12
Storage DDN 341.30 TFlop/s #401 June 2016 →
Rice (Purdue)
USA · 2015
Storage DDN 407.14 TFlop/s #430 November 2016 →
Nemo (CERFACS)
France · 2015
Storage DDN 190.00 TFlop/s #388 June 2015 →
ISM Supercomputer System I
Japan · 2014
Storage DDN 360.00 TFlop/s #265 November 2015 →
Cascade (PNNL)
USA · 2013
Storage DDN 2.54 PFlop/s #14 November 2013 →
ALPS (NCHC)
Taiwan · 2011-07
Storage DDN 177.10 TFlop/s #138 November 2012 →
Intrepid
USA · 2008-01
Storage DDN 458.61 TFlop/s #3 June 2008 →
SAKURAONE
Japan ·
Storage DDN 33.95 PFlop/s #49 June 2025 →
AzInTelecom Supercomputer Center
Azerbaijan ·
Storage DDN - unranked
Grand Chariot 2
Japan ·
Storage DDN 4.38 PFlop/s #294 November 2025 →
HKUST SuperPOD
China ·
Storage DDN - unranked
Great Lakes
USA ·
Storage DDN 860.00 TFlop/s unranked
Marlowe (Stanford)
USA ·
Storage DDN - unranked
Pangea 5
France ·
Storage DDN - unranked
FASTER (Texas A&M)
USA ·
Storage DDN - unranked

Parts supplied

Part Category Generation Released
DDN EXAScaler Storage EXAScaler 2018
DDN S2A9900 Storage S2A9900 2008

Further reading