Question 1

Can H100 NVL 188GB run Qwen3.5 122B A10B?

Accepted Answer

Yes, H100 NVL 188GB can run Qwen3.5 122B A10B with a C grade (Runs well). Expected decode speed: 87.4 tok/s.

Question 2

How much VRAM does Qwen3.5 122B A10B need?

Accepted Answer

Qwen3.5 122B A10B (122B parameters) requires approximately 98.8 GB of memory with Q3_K_M quantization.

Question 3

What is the best quantization for Qwen3.5 122B A10B?

Accepted Answer

The recommended quantization for Qwen3.5 122B A10B is Q3_K_M, which balances quality and memory efficiency.

Workload	Grade	Fit	Decode	TTFT	Context
Agentic Coding	B	Runs well	98.3 tok/s	2865 ms	51K
Chat	C	Runs well	98.3 tok/s	1074 ms	17K
Coding	C	Runs well	87.4 tok/s	2952 ms	30K
RAG	B	Runs well	98.3 tok/s	3581 ms	51K
Reasoning	C	Runs well	98.3 tok/s	2328 ms	30K

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	47.6 GB	Low	D35
Q3_K_S	3	59.8 GB	Low	D36
NVFP4	4

Can H100 NVL 188GB run Qwen3.5 122B A10B?

Memory breakdown