← CanIRunLocal · All hardware · All models

Can a Mac Studio M5 Max (40c GPU) 128GB run d3 27B (vLLM Semantic Router, decision)?

Yes. d3 27B (vLLM Semantic Router, decision) fits in fast memory on Mac Studio M5 Max (40c GPU) 128GB at Q8_0 (32.3 GB needed, 96.0 GB usable), about 16 tok/s (estimate).

Hardware: Mac Studio M5 Max (40c GPU) 128GB · Model: d3 27B (vLLM Semantic Router, decision)

Mac Studio M5 Max (40c GPU) 128GB has 128 GB of unified memory and 614 GB/s of memory bandwidth. The checker leaves macOS a share of unified memory, so Ollama can use 96.0 GB. d3 27B (vLLM Semantic Router, decision) (27B, vLLM Semantic Router) 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 memory96.0 GB
Fitfits in fast memory
Estimated speed~16 tok/s (estimate)
Commandollama run d3:27b-q8_0
Open Mac Studio M5 Max (40c GPU) 128GB 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