NVIDIA DGX GB300
Specification NVIDIA DGX GB300
Product Name NVIDIA DGX GB300
System Type Rack-Scale AI Supercomputer
GPU Architecture NVIDIA Blackwell Ultra
GPUs 72 × NVIDIA Blackwell Ultra GPUs
CPUs 36 × NVIDIA Grace CPUs
CPU Architecture Arm Neoverse V2
Total CPU Cores 2,592 cores
GPU Memory 20TB HBM3e
GPU Memory Bandwidth Up to 576TB/s
CPU Memory 17TB LPDDR5X
CPU Memory Bandwidth 14TB/s
Total Fast Memory 37TB
GPU Interconnect 5th Generation NVIDIA NVLink
NVLink Bandwidth 130TB/s
NVLink Switches 9 × NVIDIA NVLink Switches
GPU Networking 72 × NVIDIA ConnectX-8 SuperNICs
Network Speed Up to 800Gb/s
DPU 18 × NVIDIA BlueField-3
Cooling Full Liquid Cooling
Form Factor Rack-Scale System
Target Market AI / HPC / Data Center
Primary Applications AI Reasoning, LLM Inference, LLM Training, Generative AI