Question 1

Can NVIDIA L40S 48GB run Qwen3-Coder 30B A3B Instruct?

Accepted Answer

Yes, NVIDIA L40S 48GB can run Qwen3-Coder 30B A3B Instruct with a C grade (Runs well). Expected decode speed: 86.5 tok/s.

Question 2

How much VRAM does Qwen3-Coder 30B A3B Instruct need?

Accepted Answer

Qwen3-Coder 30B A3B Instruct (30.5B parameters) requires approximately 25.4 GB of memory with Q4_K_M quantization.

Question 3

What is the best quantization for Qwen3-Coder 30B A3B Instruct?

Accepted Answer

The recommended quantization for Qwen3-Coder 30B A3B Instruct is Q4_K_M, which balances quality and memory efficiency.

Workload	Grade	Fit	Decode	TTFT	Context
Agentic Coding	C	Runs well	86.5 tok/s	3256 ms	60K
Chat	C	Runs well	86.5 tok/s	1221 ms	15K
Coding	C	Runs well	86.5 tok/s	2238 ms	30K
RAG	C	Runs well	86.5 tok/s	4069 ms	60K
Reasoning	C	Runs well	86.5 tok/s	2645 ms	30K

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	11.9 GB	Low	D35
Q3_K_S	3	14.9 GB	Low	D36
NVFP4	4

Can NVIDIA L40S 48GB run Qwen3-Coder 30B A3B Instruct?

Memory breakdown