NVIDIA L40S meets the minimum VRAM requirement for Q4 inference of Qwen/Qwen3-30B-A3B-Thinking-2507. Review the quantization breakdown below to see how higher precision settings impact VRAM and throughput.
NVIDIA L40S can run Qwen/Qwen3-30B-A3B-Thinking-2507 with Q4 quantization. At approximately 96 tokens/second, you can expect Good speed - acceptable for interactive use.
You have 33GB headroom, which is sufficient for system overhead and smooth operation.
| Quantization | VRAM needed | VRAM available | Estimated speed | Verdict |
|---|---|---|---|---|
| Q4 | 15GB | 48GB | 95.87 tok/s | ✅ Fits comfortably |
| Q8 | 31GB | 48GB | 66.27 tok/s | ✅ Fits comfortably |
| FP16 | 61GB | 48GB | 34.95 tok/s | ❌ Not recommended |