# Qwen3 30B-A3B: RAM and VRAM requirements

> Qwen3 30B-A3B is a 30.5B Qwen3 model (Mixture-of-Experts, 3.3B active per token). At Q4_K_M it needs about **20.7 GB** to run and fits **12 of 39** tracked devices. Minimum to run: Nvidia GeForce RTX 4090 (24GB).

Last validated: 2026-06-15. Sources: Ollama, HuggingFace GGUF repos, vendor specs.

## Memory by quantization
| Quant | On disk | To run (4k context) |
| --- | --- | --- |
| Q4_K_M | 18.6 GB | ~20.7 GB |
| Q8_0 | 32.5 GB | ~34.6 GB |
| FP16 | 61 GB | ~63.1 GB |

Memory = weights + KV cache + ~0.8 GB runtime overhead, and varies ±15% with context length.

## Will it run on my device?
- **Apple M1 (8GB)** (8 GB): No, not enough memory
- **Generic Android Phone (8GB RAM)** (8 GB): No, not enough memory
- **iPhone 17 Pro** (12 GB): No, not enough memory
- **Nvidia GeForce RTX 4080 (16GB)** (16 GB): No, not enough memory
- **Google Pixel 10 Pro** (16 GB): No, not enough memory
- **Nvidia GeForce RTX 4090 (24GB)** (24 GB): Yes, but tight
- **Apple M4 Pro (48GB)** (48 GB): Yes, it runs
- **Apple M3 Ultra (256GB)** (256 GB): Yes, it runs — room for FP16

Full table of all 39 devices: https://localmodel.run/model/qwen3-30b-a3b

## How to run
Quickest path: `ollama run qwen3:30b-a3b`. On Mac, LM Studio (ships MLX) is fastest; on Linux, Ollama for chat or vLLM to serve; on Windows, LM Studio or Ollama.

## Details
- Parameters: 30.5B (MoE, 3.3B active per token)
- Default context: 32k tokens
- License: Apache-2.0 (commercial use: yes)
- Released: 2025-04
- HuggingFace: 1,495,637 downloads/mo, 900 likes

## FAQ
### How much VRAM or RAM does Qwen3 30B-A3B need?
About 20.7 GB at Q4_K_M (weights 18.6 GB + KV cache + overhead) at a 4k context. Budget ~34.6 GB for Q8_0.
### Can Qwen3 30B-A3B run on a laptop?
Qwen3 30B-A3B is large; you need a high-memory Mac or a 24 GB+ GPU at Q4_K_M.
### Can I use Qwen3 30B-A3B commercially?
Yes, Apache-2.0 permits commercial use.

Sources: https://ollama.com/library/qwen3/tags, https://huggingface.co/unsloth/Qwen3-30B-A3B-GGUF, https://huggingface.co/Qwen/Qwen3-30B-A3B-GGUF, https://qwenlm.github.io/blog/qwen3/, https://lmarena.ai/leaderboard
More: https://localmodel.run/model/qwen3-30b-a3b