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NVIDIA B300 192GB HBM3e Blackwell GPU for AI (2026) Graphics cards Video cards NVIDIA Blackwell Ultra GPUs HBM3E

$99,999.00 USD

HGX B300⁴	HGX B200⁴
Form Factor	8x NVIDIA Blackwell Ultra SXM	8x NVIDIA Blackwell SXM
FP4 Tensor Core¹	144 PFLOPS \| 108 PFLOPS	144 PFLOPS \| 72 PFLOPS
FP8/FP6 Tensor Core²	72 PFLOPS	72 PFLOPS
INT8 Tensor Core²	3 POPS	72 POPS
FP16/BF16 Tensor Core²	36 PFLOPS	36 PFLOPS
TF32 Tensor Core²	18 PFLOPS	18 PFLOPS
FP32	600 TFLOPS	600 TFLOPS
FP64/FP64 Tensor Core	10 TFLOPS	296 TFLOPS
Total Memory	2.1 TB	1.4 TB
NVIDIA NVLink	Fifth generation	Fifth generation
NVIDIA NVLink Switch™	NVLink 5 Switch	NVLink 5 Switch
NVLink GPU-to-GPU Bandwidth	1.8 TB/s	1.8 TB/s
Total NVLink Bandwidth	14.4 TB/s	14.4 TB/s
Networking Bandwidth	1.6 TB/s	0.8 TB/s
Attention Performance³	2x	1x

1. Specification in Sparse | Dense
2. Specification in Sparse. Dense is ½ sparse spec shown.
3. vs. NVIDIA Blackwell.
4. HGX B300 and HGX B200 shipping now.

NVIDIA B300 192GB HBM3e Blackwell GPU for AI (2026) Graphics cards Video cards NVIDIA Blackwell Ultra GPUs HBM3E

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