NVIDIA HGX B300
Specification NVIDIA HGX B300
Product Name NVIDIA HGX B300
Platform Type Accelerated Computing Platform
GPU 8 × NVIDIA B300 Tensor Core GPU
GPU Architecture NVIDIA Blackwell Ultra
GPU Form Factor SXM6
GPU Memory per GPU 288GB HBM3e
Total GPU Memory 2.3TB HBM3e
Memory Bandwidth per GPU 8TB/s
Aggregate Memory Bandwidth 64TB/s
GPU Interconnect NVLink + NVSwitch
NVLink Generation 5th Generation NVLink
NVLink Bandwidth per GPU 1.8TB/s
Aggregate NVLink Bandwidth 14.4TB/s
NVSwitch 5th Generation NVIDIA NVSwitch
GPU TDP Up to 1,400W per GPU
Cooling Liquid Cooling
Platform Form Factor HGX GPU Baseboard
Target Market AI / HPC / Data Center
Typical Integration OEM / ODM Server
Main Applications LLM Training, AI Inference, Generative AI, Reasoning, HPC