Designed for AI Reasoning Performance
The NVIDIA GB300 NVL72 features a fully liquid-cooled, rack-scale design that unifies 72 NVIDIA Blackwell Ultra GPUs and 36 Arm®-based NVIDIA Grace™ CPUs in a single platform optimized for test-time scaling inference. AI factories powered with the GB300 NVL72 using NVIDIA Quantum-X800 InfiniBand or Spectrum™-X Ethernet paired with ConnectX®-8 SuperNICS provide a 50x higher output for reasoning model inference compared to the NVIDIA Hopper™ platform.
NVIDIA GB300 NVL72
- AI Reasoning Inference
- 288 GB of HBM3e
- NVIDIA Blackwell Architecture
- NVIDIA ConnectX-8 SuperNIC
- NVIDIA Grace CPU
- Fifth-Generation NVIDIA NVLink
About
Specification
Specifications
Configuration
72 NVIDIA Blackwell Ultra GPUs, 36 NVIDIA Grace CPUs
NVLink Bandwidth
130 TB/s
Fast Memory
Up to 40 TB
GPU Memory | Bandwidth
Up to 21 TB | Up to 576 TB/s
CPU Memory | Bandwidth
Up to 18 TB SOCAMM with LPDDR5X | Up to 14.3 TB/s
CPU Core Count
2,592 Arm Neoverse V2 cores
FP4 Tensor Core
1,400 | 1,100² PFLOPS
FP8/FP6 Tensor Core
720 PFLOPS
INT8 Tensor Core
23 PFLOPS
FP16/BF16 Tensor Core
360 PFLOPS
TF32 Tensor Core
180 PFLOPS
FP32
6 PFLOPS
FP64 / FP64 Tensor Core
100 TFLOPS
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