Qwen 3.5 27B needs ~25.6 GB VRAM. RTX 6000 Ada 48GB has 48.0 GB. With Q4_K_M quantization, expect ~52 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
51.6 tok/s
TTFT
3751 ms
Safe context
129K
Memory
25.6 GB / 48.0 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 | 51.6 tok/s | 2046 ms | 129K |
| Coding | S | Runs well | 51.6 tok/s | 3751 ms | 129K |
| Agentic Coding | S | Runs well | 51.6 tok/s | 5455 ms | 129K |
| Reasoning | S | Runs well | 51.6 tok/s | 4432 ms | 129K |
| RAG | S | Runs well | 51.6 tok/s | 6819 ms | 129K |
How Qwen 3.5 27B (27B params) fits at each quantization level on RTX 6000 Ada 48GB (48.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 10.5 GB | Low | S86 |
Q3_K_S | 3 | 13.2 GB | Low | S87 |
NVFP4 | 4 | 15.1 GB | Medium | S87 |
Q4_K_M | 4 | 16.5 GB | Medium | S88 |
Q5_K_M | 5 | 19.4 GB | High | S89 |
Q6_K | 6 | 22.1 GB | High | S89 |
Q8_0Best for your GPU | 8 | 28.9 GB | Very High | S91 |
F16 | 16 | 55.4 GB | Maximum | F0 |
Copy-paste commands to run Qwen 3.5 27B on your machine.
Run
ollama run qwen3.5:27bYour hardware
| Model | Params | Grade | Decode | Capabilities |
|---|---|---|---|---|
| 30.5B | S | 119 tok/s |
Yes, RTX 6000 Ada 48GB can run Qwen 3.5 27B with a S grade (Runs well). Expected decode speed: 51.6 tok/s.
Qwen 3.5 27B (27B parameters) requires approximately 25.6 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 RTX 6000 Ada 48GB, Qwen 3.5 27B achieves approximately 51.6 tokens per second decode speed with a time-to-first-token of 3751ms using Q4_K_M quantization.
For coding workloads, Qwen 3.5 27B on RTX 6000 Ada 48GB receives a S grade with 51.6 tok/s and 129K context.
On RTX 6000 Ada 48GB, Qwen 3.5 27B can safely use up to 129K 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-rtx-6000-ada-48gb" width="400" height="180" frameborder="0" style="border:none;border-radius:12px;overflow:hidden;" title="Will It Run AI — fit result"></iframe>
Preview: