Submit your IO500 results for the upcoming ISC'26 list, which will be presented at our BOF. See the Call for Submissions for details.

Production ISC25 List

Ranking of production system submissions. This is a subset of the Full List of submissions, showing only one highest-scoring result per storage system. Submitters who want a submission that is currently on the Research List to be on the Production List should contact the IO500 Steering Committee.
# BoF Information IO500 Repro.
Institution System · FS Type Storage Vendor Client Nodes Total Client Proc. Score BW MD
(GiB/s) (kIOP/s)
1 SC23 Argonne National Laboratory Aurora DAOS Intel 300 62,400 32,165.90 10,066.09 102,785.41
2 SC23 LRZ SuperMUC-NG-Phase2-EC DAOS Lenovo 90 6,480 2,508.85 742.90 8,472.60
3 ISC25 Erlangen National High Performance Computing Center Helma Lustre MEGWARE 186 18,600 838.99 438.62 1,604.84
4 ISC25 Samsung Electronics SSC-24 WekaIO WekaIO 291 16,005 826.86 248.67 2,749.41
5 SC23 King Abdullah University of Science and Technology Shaheen III Lustre HPE 2,080 16,640 797.04 709.52 895.35
6 SC24 MSKCC IRIS WekaIO WekaIO 261 27,144 665.49 252.54 1,753.69
7 ISC23 EuroHPC-CINECA Leonardo EXAScaler DDN 2,000 16,000 648.96 807.12 521.79
8 SC24 SoftBank Corp CHIE-3 EXAScaler DDN 240 26,880 500.20 331.66 754.41
9 ISC25 Joint Center for Advanced High Performance Computing Miyabi-G Lustre DDN 200 1,600 391.60 319.00 480.72
10 SC24 Danish Centre for AI innovation AS GEFION EXAScaler DDN 128 12,288 368.56 209.06 649.73
11 ISC25 Hudson River Trading HRT EXAScaler DDN 10 1,600 348.08 136.05 890.51
12 ISC24 Zuse Institute Berlin Lise DAOS Megware 10 960 324.54 65.01 1,620.13
13 SC24 University of Florida HiPerGator AI EXAScaler DDN 10 640 243.61 124.89 475.20
14 ISC25 SAKURA Internet Inc and Prunus Solutions Inc SAKURAONE EXAScaler DDN 96 12,288 214.09 139.80 327.84
15 ISC22 China Telecom Research Institute CTPAI DAOS CTCLOUD 10 200 187.84 25.29 1,395.01 -
16 ISC24 NHN Cloud Corporation NHN CLOUD GWANGJU AI EXAScaler DDN 10 640 176.57 62.58 498.22
17 ISC24 ACC Cyfronet AGH Helios Lustre HPE 80 640 153.39 122.31 192.36
18 ISC23 Imperial College London Imperial - hx cluster Spectrum scale Lenovo 32 512 119.56 44.63 320.31
19 ISC24 Centre de Recherche en Aeronautique Lucia Storage Scale IBM 256 1,024 115.06 54.74 241.83
20 ISC24 University of Virginia Afton WEKA Dell 10 850 105.94 33.28 337.29
21 SC23 Japan Agency for Marine-Earth Science and Technology Earth Simulator 4 EXAScaler DDN 10 320 101.88 48.19 215.38
22 SC24 Poznan Supercomputing and Networking Center Proxima Lustre xFiusion 10 300 77.76 17.94 337.05
23 ISC24 Poznan Supercomputing and Networking Center Altair Lustre xFiusion 15 240 73.50 15.24 354.60
24 SC23 Center for Research Informatics at University of Chicago Randi Spectrum Scale IBM 10 160 60.88 31.05 119.36
25 ISC24 Saudi ARAMCO CSSP EXAScaler DDN 93 744 55.11 38.14 79.63
26 SC24 Howard Hughes Medical Institute Janelia Research Campus Janelia Compute cluster Vast Vast Data 32 2,048 47.19 18.78 118.59
27 ISC25 Istituto Nazionale di Fisica Nucleare Tier1-CNAF Spectrum Scale Huawei 10 100 37.26 11.30 122.93
28 SC24 Wroclaw Centre for Networking and Supercomputing Lem Lustre Huawei/xFusion 10 200 28.02 10.76 72.99
29 SC23 Mississippi State University High Performance Computing Collaboratory Orion Lustre DDN 10 400 20.83 5.01 86.67
30 ISC23 Arizona State University Sol BeeGFS Dell 10 160 16.48 4.40 61.76
31 ISC25 UCloud UCloud Compute cluster UPFS UCloud 10 320 15.57 12.33 19.65
32 ISC25 Istituto Nazionale di Fisica Nucleare Tier1-CNAF CephFS DELL 10 160 8.13 8.28 7.98
33 SC23 Eikon Therapeutics spt-compute1 Qumulo Core Qumulo 20 40 7.58 2.82 20.38 -
34 SC24 RTX Pratt Whitney Wilson PanFS VDURA 10 160 6.70 2.17 20.70

Top 10 systems compared

Each axis is scaled to the highest value among these systems — 100% marks the leader on that dimension. Click a system below to toggle it.

Score 100% Bandwidth 100% Metadata 100% Clients 100% Processes 100% #1 — Aurora (Argonne National Laboratory) #2 — SuperMUC-NG-Phase2-EC (LRZ) #3 — Helma (Erlangen National High Performance Computing Center) #4 — SSC-24 (Samsung Electronics) #5 — Shaheen III (King Abdullah University of Science and Technology) #6 — IRIS (MSKCC) #7 — Leonardo (EuroHPC-CINECA) #8 — CHIE-3 (SoftBank Corp) #9 — Miyabi-G (Joint Center for Advanced High Performance Computing) #10 — GEFION (Danish Centre for AI innovation AS)
  • #1 Aurora Argonne National Laboratory
  • #2 SuperMUC-NG-Phase2-EC LRZ
  • #3 Helma Erlangen National High Performance Computing Center
  • #4 SSC-24 Samsung Electronics
  • #5 Shaheen III King Abdullah University of Science and Technology
  • #6 IRIS MSKCC
  • #7 Leonardo EuroHPC-CINECA
  • #8 CHIE-3 SoftBank Corp
  • #9 Miyabi-G Joint Center for Advanced High Performance Computing
  • #10 GEFION Danish Centre for AI innovation AS