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B300 Blackwell Ultra

15 PFLOPS dense FP4.

currentNVIDIA ↗Verified 2026-08-13

288GB

HBM3e

Specifications

Memory288GB HBM3e
Bandwidth8 TB/s
Price~$40–50K (verify)as of 2026-08-13 · low confidence
VendorNVIDIA

Official links

NVIDIA official site

What matters

  • 8 TB/s memory bandwidth
  • Per-GPU pricing widely misquoted — one source cites rack pricing

Best for frontier training.

Compare with

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B300 Blackwell Ultra vs B200 →B300 Blackwell Ultra vs MI400 →B300 Blackwell Ultra vs H100 →B300 Blackwell Ultra vs TPU v7 Ironwood →B300 Blackwell Ultra vs Trainium 3 →

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