Flopper.io System Specification Sheet
August 10, 2026
flopper.io/system/nvidia-hgx-b100-8-gpuNVIDIA HGX B100
8x B100 Blackwell baseboard 2024
Overview
28.0
FP8 PFLOPS Dense
1.5 TB
Aggregate Memory
64.0 TB/s
Aggregate Bandwidth
5.6 kW
Aggregate Power
Performance Metrics
| Precision | Peak (PFLOPS) | Per GPU (TFLOPS) | TFLOPS/W |
|---|---|---|---|
| FP64 | 0.2 | 30.0 | — |
| FP32 | 0.5 | 60.0 | — |
| TF32 | 7.0 | 875.0 | — |
| FP16 | 14.0 | 1750.0 | — |
| BF16 | 14.0 | 1750.0 | — |
| FP8 | 28.0 | 3500.0 | — |
| FP4 | 56.0 | 7000.0 | — |
| INT8 | 28.0 | 3500.0 | — |
All figures are dense. Vendors commonly headline the sparse number, which is twice the dense one.
Configuration
- Accelerator
- B100 SXM 192GB
- Count
- 8
- Memory per GPU
- 192 GB
- Bandwidth per GPU
- 8.0 TB/s
Power & Efficiency
- Aggregate Power
- 5.6 kW
- TDP per GPU
- 700 W
- FP8 Efficiency
- 5.00 TFLOPS/W
- Aggregate Bandwidth
- 64.0 TB/s
System Details
Vendor: NVIDIA
Family: HGX
Architecture: Blackwell
Form Factor: baseboard
Release Year: 2024
Process Node: 4nm
Interconnect
NVSwitch + NVLink