Qwen 3.5 27B needs ~34.9 GB VRAM. NVIDIA H200 141GB has 141.0 GB. With Q4_K_M quantization, expect ~264 tok/s.
Operating mode
Interactive favors responsiveness, while light API and scale-out lean harder on serving readiness. The fit stays the same, but the recommendation lens changes.
Current mode
Balanced
Balanced for general local use. Keeps the ranking neutral across personal and serving workflows.
Select quantization to explore
Fit status
Runs well
Decode
264.4 tok/s
TTFT
732 ms
Safe context
131K
Memory
34.9 GB / 141.0 GB
This setup is broadly balanced for this model.
No major red flags
This recommendation has enough memory headroom and acceptable estimated speed for the selected workload.
| Workload | Grade | Fit | Decode | TTFT | Context |
|---|---|---|---|---|---|
| Chat | S | Runs well | 264.4 tok/s | 399 ms | 131K |
| Coding | S | Runs well | 264.4 tok/s | 732 ms | 131K |
| Agentic Coding | S | Runs well | 264.4 tok/s | 1065 ms | 131K |
| Reasoning | S | Runs well | 264.4 tok/s | 865 ms | 131K |
| RAG | S | Runs well | 264.4 tok/s | 1331 ms | 131K |
How Qwen 3.5 27B (27B params) fits at each quantization level on NVIDIA H200 141GB (141.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 10.5 GB | Low | A81 |
Q3_K_S | 3 | 13.2 GB | Low | A81 |
NVFP4 | 4 | 15.1 GB | Medium | A81 |
Q4_K_M | 4 | 16.5 GB | Medium | A81 |
Q5_K_M | 5 | 19.4 GB | High | A81 |
Q6_K | 6 | 22.1 GB | High | A81 |
Q8_0 | 8 | 28.9 GB | Very High | A82 |
F16Best for your GPU | 16 | 55.4 GB | Maximum | S86 |
Copy-paste commands to run Qwen 3.5 27B on your machine.
Run
ollama run qwen3.5:27bYour hardware
| Model | Params | Grade | Decode | Capabilities |
|---|---|---|---|---|
| 123B | S | 58.4 tok/s | ||
| 30.5B | S | 609.7 tok/s |
Yes, NVIDIA H200 141GB can run Qwen 3.5 27B with a S grade (Runs well). Expected decode speed: 264.4 tok/s.
Qwen 3.5 27B (27B parameters) requires approximately 34.9 GB of memory with Q4_K_M quantization.
The recommended quantization for Qwen 3.5 27B is Q4_K_M, which balances quality and memory efficiency.
On NVIDIA H200 141GB, Qwen 3.5 27B achieves approximately 264.4 tokens per second decode speed with a time-to-first-token of 732ms using Q4_K_M quantization.
For coding workloads, Qwen 3.5 27B on NVIDIA H200 141GB receives a S grade with 264.4 tok/s and 131K context.
On NVIDIA H200 141GB, Qwen 3.5 27B can safely use up to 131K tokens of context. The model's official context limit is 131K, but available memory constrains the safe maximum.
Paste this snippet into any page to show a live fit card.
<iframe src="https://willitrunai.com/embed/qwen-3.5-27b-on-h200-141gb" width="400" height="180" frameborder="0" style="border:none;border-radius:12px;overflow:hidden;" title="Will It Run AI — fit result"></iframe>
Preview: