Question 1

Can Mac Studio M2 Ultra 128GB run Qwen3-Coder 30B A3B Instruct?

Accepted Answer

Yes, Mac Studio M2 Ultra 128GB can run Qwen3-Coder 30B A3B Instruct with a C grade (Runs well). Expected decode speed: 72.3 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 34.4 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	64.5 tok/s	4365 ms	85K
Chat	C	Runs well	64.5 tok/s	1637 ms	21K
Coding	C	Runs well	72.3 tok/s	2678 ms	43K
RAG	C	Runs well	64.5 tok/s	5456 ms	85K
Reasoning	C	Runs well	64.5 tok/s	3546 ms	43K

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	11.9 GB	Low	D32
Q3_K_S	3	14.9 GB	Low	D33
NVFP4	4

Can Mac Studio M2 Ultra 128GB run Qwen3-Coder 30B A3B Instruct?

Memory breakdown