SystemsReading · ~3 min · 27 words deep

DGX GB300 NVL72

DGX GB300 NVL72 is a NVIDIA AI system with 72 NVIDIA B300 and 36 NVIDIA Grace Ultra.

Built from BenchGecko data as of April 14, 2026 · updates when the data changes

DGX GB300 NVL72 on /systems
TL;DR

DGX GB300 NVL72 is a NVIDIA AI system with 72 NVIDIA B300 and 36 NVIDIA Grace Ultra.

Level 1

Next-gen liquid-cooled rack with Blackwell Ultra GPUs. 72x B300 GPUs with 288 GB HBM3e per GPU (vs 192 GB on B200). Designed for reasoning-heavy workloads and the largest language models. 50% more memory per GPU enables larger context windows and batch sizes.

Level 2

The dataset lists 1,440 PFLOPS of FP8 compute and 720 PFLOPS at BF16. It has 20.7 TB of HBM3e. Interconnect: NVLink 5.0+. Power: 140 kW, liquid cooled.

Level 3

Figures come from spec sheets and disclosures in the curated systems dataset, dated on the systems page.

The takeaway for you
If you are a
Researcher
  • ·72 × NVIDIA B300
  • ·Interconnect: NVLink 5.0+
If you are a
Builder
  • ·liquid cooling · 140 kW
  • ·Compare systems on /systems/nvidia-dgx-gb300-nvl72
If you are a
Investor
    If you are a
    Curious · Normie
    • ·DGX GB300 NVL72 is a big AI computer built from many NVIDIA B300 chips
    DGX GB300 NVL72 is a NVIDIA AI system with 72 NVIDIA B300 and 36 NVIDIA Grace Ultra.
    Canonical sources