QwenQwen3-32B Instruct on NVIDIA Grace Blackwell Ultra GB300
Yes — Grace Blackwell Ultra GB300 runs Qwen3-32B Instruct excellently at Q8_0 — 120 tok/s. 288 GB VRAM with plenty of headroom.
Model Size
32B
Device VRAM
288 GB
Bandwidth
8000 GB/s
Quantization
Q8_0
Performance by Quantization
OwnRig currently has one published compatibility entry for Qwen3-32B Instruct on NVIDIA Grace Blackwell Ultra GB300 at Q8_0. This is the best supported pairing we can stand behind today.
| Quantization | Speed | TTFT | Fits in VRAM | Rating | Confidence |
|---|---|---|---|---|---|
| Q8_0 | 120 tok/s | 80ms | ✓ Yes | Excellent | estimated |
Notes
Q8_0
Full quality. 254GB headroom.
About Qwen3-32B Instruct
Qwen3-32B Instruct (32B) is a chat, coding, ai coding, reasoning, multi-purpose model. Qwen 3 dense 32B instruct for high-quality local inference where VRAM allows; 32K default and 128K max context. Apache 2.0.
View all Qwen3-32B Instruct hardware options →About NVIDIA Grace Blackwell Ultra GB300
NVIDIA Grace Blackwell Ultra GB300 has 288 GB at 8000 GB/s. Street price: $30,000.
See all models NVIDIA Grace Blackwell Ultra GB300 can run →Estimate method: Estimated from GB300 bandwidth ratio vs RTX 4090. Reference hardware source: dell.com (2026-03-23)
Performance varies by driver version, inference engine, quantization method, context length, and system configuration. Figures shown are estimates based on community benchmarks and may not reflect your exact setup. Product names are trademarks of their respective owners. OwnRig is independent and not affiliated with any hardware or AI model provider.