NVIDIA GB300 NVL72
The NVIDIA GB300 NVL72 features a full liquid-cooled rack-scale architecture that integrates 72 NVIDIA Blackwell Ultra GPUs and 36 Arm-based NVIDIA Grace CPUs onto a single platform. Compared to Blackwell GPUs, it delivers up to 1.5× more dense FP4 Tensor Core performance and up to 2× better attention mechanism performance, purpose-built for test-time scaling inference and AI inference workloads. Paired with Quantum-X800 InfiniBand or Spectrum-X Ethernet, ConnectX-8 SuperNICs, and NVIDIA Mission Control management, the entire AI factory achieves up to 50× higher throughput than Hopper-based platforms.
Core Specifications
CompleteSpecifications
| Number of GPUs | 72 Blackwell Ultra |
| CPU | 36 Grace CPUs |
| FP4 compute | 1440 PFLOPS |
| GPU VRAM | 20 TB |
| NVLink Bandwidth | 130 TB/s |
* Sparse mode specifications: Dense performance is half that of sparse specs. Specs sourced from NVIDIA's official product page; actual configuration subject to factory settings.
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The NVIDIA GB300 NVL72 features a full liquid-cooled rack-scale architecture that integrates 72 NVIDIA Blackwell Ultra GPUs and 36 Arm-based NVIDIA Grace CPUs onto a single platform. Compared to Blackwell GPUs, it delivers up to 1.5× more dense FP4 Tensor Core performance and up to 2× better attention mechanism performance, purpose-built for test-time scaling inference and AI inference workloads. Paired with Quantum-X800 InfiniBand or Spectrum-X Ethernet, ConnectX-8 SuperNICs, and NVIDIA Mission Control management, the entire AI factory achieves up to 50× higher throughput than Hopper-based platforms.
| Number of GPUs | 72 Blackwell Ultra |
| CPU | 36 Grace CPUs |
| FP4 compute | 1440 PFLOPS |
| GPU VRAM | 20 TB |
| NVLink Bandwidth | 130 TB/s |
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