NVIDIA GB300 NVL72
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.
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Systems built on this design
3 configurationsNVIDIA GB300 NVL72 is the baseboard. The systems above are OEM implementations of it and share its accelerator performance; they differ in chassis, CPU, memory and cooling.
System Details
GPU Configuration
System Specifications
Powered by NVIDIA GB300
This system utilizes 72 × NVIDIA GB300 NVL72 GPU 288GB GPUs, each delivering exceptional performance for AI and HPC workloads.
Per GPU TDP
—
Per GPU Memory
288 GB
Process Node
4nm
Architecture
Blackwell Ultra
Documentation & Resources
Flopper Spec Sheet
NVIDIA GB300 NVL72 specifications, generated from our database. Printable.
Vendor product page
NVIDIA GB300 NVL72 documentation
workstation-datasheet-dgx-spark-gtc25-spring-nvidia-us-3716899-web.pdf
NVIDIA • 2025-10-16
NVIDIA DGX Documentation
System guides, deployment resources
Typical Use Cases
The NVIDIA GB300 NVL72 runs 72× GB300 GPUs over NVLink 5.0 / NVSwitch 4.0.