RunsLocalGPU checkerLocal AI toolsv1.8 · data Oct 14, 2026

All models / Qwen3.5 122B-A10B

What GPU do I need to run Qwen3.5 122B-A10B?

Qwen3.5 122B-A10B has 122B parameters (10B active per token, mixture-of-experts). At Q4_K_M with 8K context it needs about 75.3 GB of memory. The smallest graphics card that runs it fully on the GPU is about 96 GB, such as the RTX PRO 6000 Blackwell.

Check your own hardware

Memory by quantization (8K context)

QuantBits per weightMemory needed
Q8_08.5130.9 GB
Q6_K6.56101.3 GB
Q5_K_M5.6988.1 GB
Q4_K_M4.8575.3 GB
Q3_K_M3.9160.9 GB
IQ2_M2.742.5 GB

Hardware that runs it fully in fast memory

HardwareMemoryBest quantEst. speed
RTX PRO 6000 Blackwell96 GBQ5_K_M150+ tok/s
M4 Max 128GB128 GBQ5_K_M46 tok/s
DGX Spark 128GB128 GBQ5_K_M23 tok/s
Ryzen AI Max+ 395 128GB128 GBQ5_K_M22 tok/s
M3 Ultra 256GB256 GBQ8_046 tok/s
M3 Ultra 512GB512 GBQ8_046 tok/s

Assumes 32 GB of DDR5 system RAM for offload. Estimates only; real speeds usually land within about 20%.