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Can I run Qwen3.5-35B-A3B on a Mac with 256 GB?

Yes

Its published weights (71.9 GB) fit in the 192 GB a Mac with 256 GB can use, with room for ≈ 256K tokens of context.

Full analysis of Qwen3.5-35B-A3B Everything that runs on Mac with 256 GB Get the weights on Hugging Face
hf download Qwen/Qwen3.5-35B-A3B

Files and context on Mac with 256 GB

Each file of Qwen3.5-35B-A3B (and of GGUF versions the site has analyzed), and how much context fits next to it, with the context cache in 16-bit or 8-bit.

FileSizeOn Mac with 256 GB Context (16-bit)Context (8-bit)
As published71.9 GBFits256K256K
BF16unsloth/Qwen3.5-35B-A3B-GGUF69.4 GBFits256K256K
UD-Q8_K_XLunsloth/Qwen3.5-35B-A3B-GGUF48.7 GBFits256K256K
Q8_0unsloth/Qwen3.5-35B-A3B-GGUF36.9 GBFits256K256K
UD-Q6_K_XLunsloth/Qwen3.5-35B-A3B-GGUF32.1 GBFits256K256K
Q6_Kunsloth/Qwen3.5-35B-A3B-GGUF28.9 GBFits256K256K
UD-Q6_K_Sunsloth/Qwen3.5-35B-A3B-GGUF28.5 GBFits256K256K
UD-Q5_K_XLunsloth/Qwen3.5-35B-A3B-GGUF26.4 GBFits256K256K
Q5_K_Munsloth/Qwen3.5-35B-A3B-GGUF26.2 GBFits256K256K
Q5_K_Sunsloth/Qwen3.5-35B-A3B-GGUF24.8 GBFits256K256K
UD-Q4_K_XLunsloth/Qwen3.5-35B-A3B-GGUF22.2 GBFits256K256K
Q4_K_Munsloth/Qwen3.5-35B-A3B-GGUF22.0 GBFits256K256K
MXFP4_MOEunsloth/Qwen3.5-35B-A3B-GGUF21.6 GBFits256K256K
Q4_K_Sunsloth/Qwen3.5-35B-A3B-GGUF20.7 GBFits256K256K
UD-Q4_K_Lunsloth/Qwen3.5-35B-A3B-GGUF20.2 GBFits256K256K
UD-IQ4_NLunsloth/Qwen3.5-35B-A3B-GGUF17.8 GBFits256K256K
UD-IQ4_XSunsloth/Qwen3.5-35B-A3B-GGUF17.5 GBFits256K256K
UD-Q3_K_XLunsloth/Qwen3.5-35B-A3B-GGUF16.6 GBFits256K256K
Q3_K_Munsloth/Qwen3.5-35B-A3B-GGUF16.4 GBFits256K256K
Q3_K_Sunsloth/Qwen3.5-35B-A3B-GGUF15.3 GBFits256K256K
UD-IQ3_Sunsloth/Qwen3.5-35B-A3B-GGUF13.6 GBFits256K256K
UD-IQ3_XXSunsloth/Qwen3.5-35B-A3B-GGUF13.1 GBFits256K256K
UD-Q2_K_XLunsloth/Qwen3.5-35B-A3B-GGUF12.2 GBFits256K256K
UD-IQ2_Munsloth/Qwen3.5-35B-A3B-GGUF11.4 GBFits256K256K
UD-IQ2_XXSunsloth/Qwen3.5-35B-A3B-GGUF10.7 GBFits256K256K

Qwen3.5-35B-A3B on other hardware

Popular models that run on Mac with 256 GB

Assumes 75% of the Mac's memory is usable (macOS's default limit for the GPU; it can be raised) and at least 4K tokens of context for one conversation, with the context cache in 16-bit unless noted. Fits leaves at least 20% of that memory for context; Tight leaves less.