GPU clusters
Mare Nostrum 5
Compute
4.5K H100e
Chips
4,480
First operational
Nov 1, 2023
Mare Nostrum 5 is a large GPU cluster operated by Barcelona Supercomputing Center, EuroHPC JU, located in Spain, in the public sector. It came online around November 2023. At that moment it ranked number 10 among known clusters.
It is built on 4,480 NVIDIA H100 SXM5 80GB. That amounts to about 4.5K H100e of AI compute. The cluster draws roughly 6 MW. Its hardware is estimated at $162M.
Epoch AI rates the certainty of this record as confirmed.
Full record
- Owner
- Barcelona Supercomputing Center, EuroHPC JU
- Users
- European science and industry communities
- Sector
- Public
- Status
- Existing
- Country
- Spain
- Location
- Barcelona Supercomputing Center Plaça d'Eusebi Güell, 1-3, Les Corts, 08034 Barcelona, Spain
- Primary chip
- NVIDIA H100 SXM5 80GB
- Primary chip count
- 4,480
- Total AI chips
- 4,480
- H100 equivalents
- 4.5K
- 8-bit throughput
- 8.9×10¹⁸ OP/s
- Power capacity
- 6 MW
- Hardware cost
- $162M
- First operational
- Nov 1, 2023
- Rank when it came online
- 10
- Certainty
- Confirmed
SourceEpoch AI, 'GPU Clusters'. Published online at epoch.ai. Retrieved 2026-07-29 from https://epoch.ai/data/gpu-clusters. Licensed under CC BY 4.0.
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