NVIDIA GB300 Grace Blackwell Ultra Superchip

Grace Blackwell Ultra platform GPU. GB300 pairs NVIDIA Grace CPUs with Blackwell Ultra GPUs over NVLink-C2C and is deployed rack-scale as GB300 NVL72. vramGb reflects the 288GB HBM3e per Blackwell Ultra GPU published by NVIDIA; per-GPU bandwidth is ~8 TB/s with NVLink 5 (1.8 TB/s bidirectional per GPU) and ~15 PFLOPS dense FP4. This model backs the DataCrunch/Verda "GB300 SXM6 288GB" SKU. Dense FP16/FP8 TFLOPS are not separately broken out on the pages checked and are left unset.

VRAM

288 GB

Memory

HBM3e

FP16

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FP8

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