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Can a M3 Max (40c GPU) 48GB run Qwen3.6 27B?

Yes. Qwen3.6 27B fits in fast memory on M3 Max (40c GPU) 48GB at Q8_0 (32.3 GB needed, 36.0 GB usable), about 11 tok/s (estimate).

Hardware: M3 Max (40c GPU) 48GB · Model: Qwen3.6 27B

M3 Max (40c GPU) 48GB has 48 GB of unified memory and 400 GB/s of memory bandwidth. The checker leaves macOS a share of unified memory, so Ollama can use 36.0 GB. Qwen3.6 27B (27.8B, Alibaba) at Q8_0 is a 30 GB download and needs 32.3 GB with headroom for about 8k tokens.

Best quantQ8_0
Download size30 GB
Memory needed32.3 GB
Usable fast memory36.0 GB
Fitfits in fast memory
Estimated speed~11 tok/s (estimate)
Commandollama run qwen3.6:27b-q8_0
Open M3 Max (40c GPU) 48GB in the checker

Estimates, not benchmarks. Model sizes are ollama.com download sizes; memory needed adds headroom for ~8k tokens of context; speeds are rough figures from memory bandwidth. Data updated 2026-10-23.

A project by OnDevice Labs · llms.txt