NVIDIA GB300 NVL72
A liquid-cooled rack-scale platform with 72 Blackwell Ultra GPUs and 36 Grace CPUs connected by NVLink within the rack. A platform to evaluate for large-model training, reasoning and inference at infrastructure scale.
NVLink connects GPUs within the rack domain. Inter-rack communication uses a separately engineered scale-out fabric.
Validate frameworks, kernels and collectives against the CUDA stack, alongside rack-level power and liquid cooling.