# GB300

> NVIDIA · Blackwell

Canonical: https://gpuninja.com/chips/gb300
Data as of: 2026-10-11T17:22:33Z
Path: Home › GPU chips
- Specs verified: 11 Oct 2026, 17:22 UTC

## Specifications

- Vendor: NVIDIA (Verified · source download.nvidia.com · retrieved 11 Oct 2026, 16:51 UTC · checked 11 Oct 2026, 17:22 UTC)
- Architecture: Blackwell (Verified · source developer.nvidia.com · retrieved 11 Oct 2026, 16:52 UTC · checked 11 Oct 2026, 17:22 UTC)
- Die: GB110 (Verified · source pci-ids.ucw.cz · retrieved 11 Oct 2026, 16:51 UTC · checked 11 Oct 2026, 17:22 UTC)
- Process: TSMC 4NP (Verified · source developer.nvidia.com · retrieved 11 Oct 2026, 16:52 UTC · checked 11 Oct 2026, 17:22 UTC)
- Shader cores: Unknown
- Tensor cores: Unknown
- RT cores: None
- Memory bus: 8,192-bit (Unverified · source developer.nvidia.com · retrieved 11 Oct 2026, 16:52 UTC · checked 11 Oct 2026, 17:22 UTC)
- Max VRAM: 279 GB (Verified · source dam-cdn.nvd.orangelogic.com · retrieved 11 Oct 2026, 16:51 UTC · checked 11 Oct 2026, 17:22 UTC)
- Reference boost clock: Unknown
- Reference TDP: 1,400 W (Verified · source dam-cdn.nvd.orangelogic.com · retrieved 11 Oct 2026, 16:51 UTC · checked 11 Oct 2026, 17:22 UTC)
- Host interface: Not recorded
- Launch MSRP: No public MSRP
- Launch date: 18 Mar 2025 (Verified · source nvidianews.nvidia.com · retrieved 11 Oct 2026, 16:55 UTC · checked 11 Oct 2026, 17:22 UTC)
- Segment: Data center (Verified · source nvidia.com · retrieved 11 Oct 2026, 16:51 UTC · checked 11 Oct 2026, 17:22 UTC)
- PCI IDs: 10de:31c2, 10de:31c3 (Verified · source download.nvidia.com · retrieved 11 Oct 2026, 16:51 UTC · checked 11 Oct 2026, 17:22 UTC)
- Status: Active (Verified · source nvidia.com · retrieved 11 Oct 2026, 16:51 UTC · checked 11 Oct 2026, 17:22 UTC)

## Performance

- Memory bandwidth: 8,000 GB/s (Verified · source dam-cdn.nvd.orangelogic.com · retrieved 11 Oct 2026, 16:51 UTC · checked 11 Oct 2026, 17:22 UTC)
- FP32 compute: 80 TFLOPS (Verified · source dam-cdn.nvd.orangelogic.com · retrieved 11 Oct 2026, 16:51 UTC · checked 11 Oct 2026, 17:22 UTC)
- FP16 compute: 2,500 TFLOPS (Unverified · source dam-cdn.nvd.orangelogic.com · retrieved 11 Oct 2026, 16:51 UTC · checked 11 Oct 2026, 17:22 UTC)
- BF16 compute: 2,500 TFLOPS (Unverified · source dam-cdn.nvd.orangelogic.com · retrieved 11 Oct 2026, 16:51 UTC · checked 11 Oct 2026, 17:22 UTC)
- FP8 compute: 5,000 TFLOPS (Unverified · source dam-cdn.nvd.orangelogic.com · retrieved 11 Oct 2026, 16:51 UTC · checked 11 Oct 2026, 17:22 UTC)
- FP4 compute: 15,000 TFLOPS (Verified · source dam-cdn.nvd.orangelogic.com · retrieved 11 Oct 2026, 16:51 UTC · checked 11 Oct 2026, 17:22 UTC)
- INT8 compute: 165 TOPS (Unverified · source dam-cdn.nvd.orangelogic.com · retrieved 11 Oct 2026, 16:51 UTC · checked 11 Oct 2026, 17:22 UTC)

## Boards built on this chip

Board, Chip, VRAM, TDP, Length, Slots, Price, Stock

No boards recorded for this chip.

## Benchmarks

No benchmark results recorded.

## Sources

- https://download.nvidia.com/XFree86/Linux-x86_64/615.78.08/README/supportedchips.html — Vendor, PCI IDs; last verified 11 Oct 2026, 17:22 UTC
- https://developer.nvidia.com/blog/inside-nvidia-blackwell-ultra-the-chip-powering-the-ai-factory-era/ — Architecture, Process, Memory bus; last verified 11 Oct 2026, 17:22 UTC
- https://pci-ids.ucw.cz/read/PC/10de/31c2 — Die; last verified 11 Oct 2026, 17:22 UTC
- https://dam-cdn.nvd.orangelogic.com/AssetLink/1k0p832eq8r5ca0u5383ie5o4tp3bst1.pdf — Max VRAM, Reference TDP, Memory bandwidth, FP32 compute, FP16 compute, BF16 compute, FP8 compute, FP4 compute, INT8 compute; last verified 11 Oct 2026, 17:22 UTC
- https://nvidianews.nvidia.com/news/nvidia-blackwell-ultra-ai-factory-platform-paves-way-for-age-of-ai-reasoning — Launch date; last verified 11 Oct 2026, 17:22 UTC
- https://www.nvidia.com/en-us/data-center/gb300-nvl72/ — Segment, Status; last verified 11 Oct 2026, 17:22 UTC