Can I Run Qwen3 235B A22B Thinking 2507 on a NVIDIA H200?

Yes

Runs at Q4_K_S — good quality with reasonable headroom.

Model size
235B
GPU memory
141GB
Smallest quant
Q2_K
Best fit
Q4_K_S

4 quantizations fit your 141GB

QuantMin VRAMRecommendedFile sizeHeadroom
Q4_K_SBEST135.6 GB137.1 GB133.7 GB+5.4 GB
Q3_K_M99.5 GB101.0 GB112.5 GB+41.5 GB
Q3_K_S91.5 GB93.0 GB101.4 GB+49.5 GB
Q2_K78.3 GB79.8 GB85.7 GB+62.7 GB

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Full model details
Qwen3 235B A22B Thinking 2507

All quant variants, benchmark scores, and use-case tags.

Best models for this GPU
NVIDIA H200

Top-ranked open-source models that fit in 141GB.

FAQ

Can the NVIDIA H200 run Qwen3 235B A22B Thinking 2507?

Yes. The NVIDIA H200's 141GB of VRAM is enough to run Qwen3 235B A22B Thinking 2507 at Q4_K_S quantization (135.6GB required).

What's the best quantization to use?

Q4_K_S is the highest-precision quantization that fits in your 141GB. It uses about 135.6GB of memory and 137.1GB recommended for comfortable inference.

What if I need more headroom for context length?

KV cache memory grows with context length. The numbers above assume a baseline 2K-4K context. For long-context use (32K+), add another 2-6GB depending on the model architecture.