NVIDIA GB300 Grace Blackwell Ultra Superchip
Specification NVIDIA GB300
Product Name NVIDIA GB300 Grace Blackwell Ultra Superchip
GPU Architecture NVIDIA Blackwell Ultra
CPU NVIDIA Grace CPU
GPU 2 × NVIDIA B300 Blackwell Ultra GPU
GPU Memory 576GB HBM3e
CPU Memory Up to 480GB LPDDR5X
Total Memory Up to 1.056TB
GPU Memory Bandwidth Up to 16 TB/s
CPU Architecture NVIDIA Grace / Arm
CPU Cores 72 Arm Neoverse V2 cores
GPU Interconnect NVLink-C2C
GPU-to-GPU Interconnect 5th Generation NVLink
NVLink Bandwidth Up to 1.8 TB/s per GPU
Form Factor Grace Blackwell Ultra Superchip
Cooling Liquid Cooling
ECC Yes
Target Market Data Center / AI / HPC
Main Applications Generative AI, LLM Training, LLM Inference, HPC