GPU database reference

Verified catalog record

NVIDIA B300 (Blackwell Ultra)

NVIDIA · B300 (Blackwell Ultra)

NVIDIA B300 (Blackwell Ultra) graphics reference with normalized architecture, compute, memory, clocks, PCIe, display, media, power, and physical specifications where verified data exists.

VRAM
288 GB HBM3e
Boost clock
2.02 GHz
PCI Express
PCIe 5.0
Board power
1400 W

Technical data

Specifications

Only fields backed by the current normalized record are rendered; missing values stay absent rather than becoming N/A grids.

Overview

ManufacturerNVIDIA
Launch date2025-09-22

Architecture

ArchitectureBlackwell Ultra

Compute

Shader processors17536

Memory

VRAM288 GB
Memory typeHBM3e
Memory bus8192 bit
Memory bandwidth8000.0 GB/s

Clocks

Base clock1.36 GHz
Boost clock2.02 GHz

PCIe

Bus interfacePCIe 5.0

Power

Board power1400 W

Sources

Specification provenance

No public source record is available.

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