Flopper.io
Flopper.io System Specification Sheet

NVIDIA GB300 NVL72

72x GB300 Blackwell Ultra rack 2025

Overview

Peak Dense
20.7 TB
Aggregate Memory
Aggregate Bandwidth
142.0 kW
Aggregate Power

Configuration

Accelerator
GB300 NVL72 GPU 288GB
Count
72
Memory per GPU
288 GB
Bandwidth per GPU
8.0 TB/s

Power & Efficiency

Aggregate Power
142.0 kW
TDP per GPU
Efficiency
Aggregate Bandwidth

System Details

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

Interconnect

NVLink 5.0 / NVSwitch 4.0

Notes

36 GB300 superchips (72 Blackwell Ultra GPUs + 36 Grace CPUs) in a liquid-cooled rack-scale system. This is NVIDIA's reference rack, which OEMs build to; DGX GB300 NVL72 is NVIDIA's own build of the same design.