NVIDIA DGX B300
rack
8× B300
NVSwitch + NVLink
2025
FP32
0.7
PFLOPS
TF32
10.0
PFLOPS
Power
14.5
kW Total
Memory
2150
GB Total
FP32
0.67
PFLOPS
TF32
10.00
PFLOPS
FP16
20.00
PFLOPS
BF16
20.00
PFLOPS
System Details
GPU Configuration
GPU Model: NVIDIA
B300
SXM 288GB
GPU Count: 8 GPUs
Architecture: Blackwell Ultra
Interconnect: NVSwitch + NVLink
System Specifications
Form Factor: rack
Total Power: 14.5 kW
Total Memory: 2150 GB
Memory Bandwidth: 64000 GB/s
Precision Performance Breakdown
| Precision | System Performance | Per GPU | Efficiency |
|---|---|---|---|
| FP32 | 0.666 PFLOPS | 83.3 TFLOPS | — |
| TF32 | 10.000 PFLOPS | 1250.0 TFLOPS | — |
| FP16 | 20.000 PFLOPS | 2500.0 TFLOPS | — |
| BF16 | 20.000 PFLOPS | 2500.0 TFLOPS | — |
| FP8 | 40.000 PFLOPS | 5000.0 TFLOPS | — |
| FP4 | 120.000 PFLOPS | 15000.0 TFLOPS | — |
Powered by NVIDIA B300
This system utilizes 8 × NVIDIA B300 SXM 288GB GPUs, each delivering exceptional performance for AI and HPC workloads.
Per GPU TDP
1400W
Per GPU Memory
288 GB
Process Node
4nm
Architecture
Blackwell Ultra
Documentation & Resources
workstation-datasheet-dgx-spark-gtc25-spring-nvidia-us-3716899-web.pdf
NVIDIA • 2025-10-16
NVIDIA DGX Documentation
System guides, deployment resources
Typical Use Cases
Large Language Model Training
Distributed Deep Learning
Multi-GPU Inference
HPC Simulations
Scientific Computing
The NVIDIA DGX B300 with 8× B300 GPUs is designed for enterprise-scale workloads requiring 0.7 PFLOPS of compute power with NVSwitch + NVLink interconnect for efficient multi-GPU communication.