Flopper.io
Flopper.io System Specification Sheet

NVIDIA GB200 NVL72

72x B200 Blackwell rack 2025

Overview

324
FP8 PFLOPS Dense
Aggregate Memory
Aggregate Bandwidth
120.0 kW
Aggregate Power

Performance Metrics

PrecisionPeak (PFLOPS)Per GPU (TFLOPS)TFLOPS/W
FP642.737.027.00
FP325.475.054.00
TF3279.21100.01500.00
FP16162.02250.02700.00
BF16162.02250.02700.00
FP8324.04500.05400.00
FP4648.09000.010800.00
INT8324.04500.05400.00

All figures are dense. Vendors commonly headline the sparse number, which is twice the dense one.

Configuration

Accelerator
B200 SXM 180GB
Count
72
Memory per GPU
180 GB
Bandwidth per GPU
7.7 TB/s

Power & Efficiency

Aggregate Power
120.0 kW
TDP per GPU
1000 W
FP8 Efficiency
5400.00 TFLOPS/W
Aggregate Bandwidth

System Details

Vendor: NVIDIA
Family: NVL
Architecture: Blackwell
Form Factor: rack
Release Year: 2025
Process Node: 4nm

Interconnect

NVLink

Notes

36 GB200 superchips (72 B200 GPUs + 36 Grace CPUs) in a liquid-cooled rack-scale system