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AI accelerator · Global

Nvidia B300 / GB300 (Blackwell Ultra)

Blackwell Ultra generation (announced GTC March 2025): B300 GPUs with 288GB HBM3e and ~15 PFLOPS dense FP4 per GPU, shipping in HGX/DGX B300 systems and GB300 NVL72 racks since H2 2025 (first Dell GB300 NVL72 racks delivered December 2025). Reports put B300 cards around $53k and GB300 NVL72 racks at $3.7-4M.

GlobalShippingNvidiaBlackwell Ultra familyLaunched 2025-03TSMC 4NP

Latest observation ~$53K (per B300 card) as of 2025-10-25 · researched 2026-08-27

~$53Klatest observation · analyst estimate · 2025-10-25
4dated price observations on record
8sourced specs (all linked below)

Specifications

Sourced specs

SpecValueSource
FP4 Tensor Core (rack)1,440 PFLOPS with sparsity / 1,080 PFLOPS dense (15 PFLOPS dense per GPU)via nvidia.com2026-08-27
FP8/FP6 Tensor Core (rack)720 PFLOPS with sparsity / 360 PFLOPS densevia nvidia.com2026-08-27
FP16/BF16 and TF32 (rack)360 PFLOPS FP16/BF16 / 180 PFLOPS TF32 (with sparsity)via nvidia.com2026-08-27
FP32 / FP64 (rack)6 PFLOPS FP32 / 100 TFLOPS FP64via nvidia.com2026-08-27
Memory20TB HBM3e per rack at up to 576 TB/s (288GB / 8 TB/s per GPU)via nvidia.com2026-08-27
Node compute (DGX B300)144 PFLOPS FP4 inference / 72 PFLOPS FP8 training per 8-GPU nodevia docs.nvidia.com2026-08-27
InterconnectNVLink 5: 1.8 TB/s per GPU, 130 TB/s rack; dual ConnectX-8 SuperNICs (800 Gb/s per GPU)via nvidia.com2026-08-27
B300 TDPUp to 1,400W max configurable (system configs commonly 1,100W)via glennklockwood.com2026

Pricing

Price history, newest first

DatePriceTypeSourceConfidence
2026-04-30~$965.5K from ¥7,000,000 at 2026 avg 7.25 CNY/USD per B300 (DGX-class) 8-GPU server, ChinaRestricted-supply B300 servers at ~7M yuan (~$1M) in China, nearly double the ~$550k US priceStreet pricevia Reutersmedium
2025-12~$3.7M per GB300 NVL72 rack~$1B Apple order equates to ~250 racks at $3.7-4M each from Dell and Supermicro (51-55k per GPU)Street pricevia TweakTown / TMTPost / DataCenterDynamics (Apple order)medium
2025-10-25~$53K per B300 cardB300 cards reportedly around $53k; 8-GPU B300 server about $530kAnalyst estimatevia IFP analysis (reported figures)low
2025~$3M per GB300 NVL72 rackHSBC: GB300 NVL72 at ~$3M, about 15% above its GB200 figureAnalyst estimatevia Epoch AI (citing HSBC)low

vendor-official or multiple independent reports · single major report or several secondary · estimate or lone secondary source

Prices in USD, converted at each observation year's average exchange rate; the original figure and rate print under every converted price. How prices are sourced and graded ↗

Context

Notes

  • Shipping status as of Aug 2026: GB300 NVL72 racks 'Available Now' per Nvidia; first racks delivered to CoreWeave via Dell in December 2025; HGX/DGX B300 systems shipping through 2025-2026.
  • China-market B30A derivative (single-die, four HBM stacks, ~12x H20 performance) reported at ~$22.5k per card (IFP, 2025-10); Reuters (2025-05-24) earlier reported a $6,500-8,000 expected price for a China Blackwell part. US approval was still pending into 2026.
  • Next-generation Vera Rubin (VR200 NVL72) announced; Morgan Stanley BOM estimate ~$7.8M per rack.

Where it sits

In the stack

All specs and prices link to their original sources, dated as observed. Figures are market observations, not offers; treat each as of its date.