Can the NVIDIA RTX 5090 run Qwen3 Coder 30B-A3B?

Yes
QuantQ6_KExcellent
Memory26.4 GBof 32 GB
Speed~397tokens/s

Yes. The NVIDIA RTX 5090 can run Qwen3 Coder 30B-A3B fully in VRAM at Q6_K (excellent), using about 26.4 GB of the 32 GB available, at roughly 397 tokens/second.

Try other context lengths in the calculator →

Memory needed by quantization

At 8,192 tokens of context.

QuantQualityMemoryFits?Speed
FP16Full quality62.4 GBToo big—
Q8_0Near-lossless33.8 GBToo big—
Q6_KExcellent26.4 GBFits~397 tok/s
Q5_K_MVery good23.1 GBFits~458 tok/s
Q4_K_MGood, most popular19.9 GBFits~537 tok/s
Q3_K_MNoticeably degraded16.3 GBFits~667 tok/s
Q2_KHeavily degraded12.8 GBFits~869 tok/s

How to run Qwen3 Coder 30B-A3B on the NVIDIA RTX 5090

With Ollama installed, one command downloads and starts it:

ollama run qwen3-coder:30b

Ollama's default download is Q4_K_M (about 19.9 GB here). You have room for Q6_K, which is excellent: pick that GGUF in LM Studio or from Hugging Face.

GPUs that run Qwen3 Coder 30B-A3B comfortably

Models that run well on the NVIDIA RTX 5090

Run it in the cloud

Don't want to buy hardware? Run Qwen3 Coder 30B-A3B on a rented GPU today.

Rent a cloud GPU by the hour. No upfront cost, cancel any time.