Stampede3 node architecture
Stampede3 is operated by Texas Advanced Computing Center in United States. This profile covers Sapphire Rapids and Skylake CPU partitions.
Cluster interconnect: Intel Omni-Path (CPU partitions). Topology: Not verified.
Sapphire Rapids HBM
- Node count
- 560
- CPU
- Intel Xeon CPU Max 9480 · 56 cores
- CPUs per node
- 2
- Accelerator
- No accelerator
- Physical accelerators per node
- 0
- Host / unified memory
- 128 GB HBM2e
- Accelerator memory
- Not verified
- Local accelerator links
- Not applicable
- CPU-to-accelerator link
- Not verified
- Storage
- 150 GB /tmp
Skylake
- Node count
- 1060
- CPU
- Intel Xeon Platinum 8160 · 24 cores
- CPUs per node
- 2
- Accelerator
- No accelerator
- Physical accelerators per node
- 0
- Host / unified memory
- 192 GB DDR4
- Accelerator memory
- Not verified
- Local accelerator links
- Not applicable
- CPU-to-accelerator link
- Not verified
- Storage
- 90 GB /tmp
Scope and uncertainty
Sapphire Rapids and Skylake CPU partitions only. Ice Lake and accelerator partitions are outside this profile; totals are not the whole installation.
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 →
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