JUWELS Booster node architecture
JUWELS Booster is operated by Jülich Supercomputing Centre in Germany. This profile covers Booster module.
Cluster interconnect: InfiniBand HDR200 · 4 adapters per node. Topology: Dragonfly+.
A100 booster
- Node count
- 936
- CPU
- AMD EPYC 7402 · 24 cores
- CPUs per node
- 2
- Accelerator
- NVIDIA A100
- Physical accelerators per node
- 4
- Host / unified memory
- 512 GB DDR4
- Accelerator memory
- 40 GB per GPU
- Local accelerator links
- NVLink 3 · all GPU pairs
- CPU-to-accelerator link
- PCIe 4.0
- Storage
- Not verified
Scope and uncertainty
Booster module only; JUWELS Cluster module excluded.
Not verified means a detail has not been confirmed in this catalog. Diagrams are schematic; node indices are illustrative, not physical hostnames. Data checked 14 September 2026.
Sources
Browse all cluster architecture pages →
CLUSTER