Question 1

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

Accepted Answer

Yes, NVIDIA L40S 48GB can run Qwen3-VL 30B A3B Instruct with a C grade (Runs well). Expected decode speed: 89.5 tok/s.

Question 2

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

Accepted Answer

Qwen3-VL 30B A3B Instruct (30B parameters) requires approximately 26.3 GB of memory with Q4_K_M quantization.

Question 3

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

Accepted Answer

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

Workload	Grade	Fit	Decode	TTFT	Context
Agentic Coding	C	Runs well	96.9 tok/s	2906 ms	58K
Chat	C	Runs well	96.9 tok/s	1090 ms	15K
Coding	C	Runs well	89.5 tok/s	2164 ms	29K
RAG	C	Runs well	96.9 tok/s	3632 ms	58K
Reasoning	C	Runs well	96.9 tok/s	2361 ms	29K

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	11.7 GB	Low	D35
Q3_K_S	3	14.7 GB	Low	D36
NVFP4	4

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

Memory breakdown