Flopper.io System Specification Sheet
August 10, 2026
flopper.io/system/nvidia-hgx-h100-4-gpuNVIDIA HGX H100
4x H100 Hopper baseboard 2022
Overview
7.92
FP8 PFLOPS Dense
0.3 TB
Aggregate Memory
13.4 TB/s
Aggregate Bandwidth
4.2 kW
Aggregate Power
Performance Metrics
| Precision | Peak (PFLOPS) | Per GPU (TFLOPS) | TFLOPS/W |
|---|---|---|---|
| FP64 | 0.1 | 34.0 | 32.38 |
| FP32 | 0.3 | 67.0 | 63.81 |
| TF32 | 2.0 | 494.5 | 941.90 |
| FP16 | 4.0 | 989.5 | 1884.76 |
| BF16 | 4.0 | 989.5 | 1884.76 |
| FP8 | 7.9 | 1979.0 | 3769.52 |
| INT8 | 7.9 | 1979.0 | 3769.52 |
All figures are dense. Vendors commonly headline the sparse number, which is twice the dense one.
Configuration
- Accelerator
- H100 SXM5 80GB
- Count
- 4
- Memory per GPU
- 80 GB
- Bandwidth per GPU
- 3.4 TB/s
Power & Efficiency
- Aggregate Power
- 4.2 kW
- TDP per GPU
- 700 W
- FP8 Efficiency
- 3769.52 TFLOPS/W
- Aggregate Bandwidth
- 13.4 TB/s
System Details
Vendor: NVIDIA
Family: HGX
Architecture: Hopper
Form Factor: baseboard
Release Year: 2022
Process Node: 4nm
Interconnect
NVLink
Notes
HGX H100 4-GPU configuration for smaller deployments