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Can a Mac Studio M5 Ultra (64c GPU) 256GB run Hy-Memory 30B-A3B (MoE, memory)?

Yes. Hy-Memory 30B-A3B (MoE, memory) fits in fast memory on Mac Studio M5 Ultra (64c GPU) 256GB at Q8_0 (33.3 GB needed, 192.0 GB usable), about 150 tok/s (estimate).

Hardware: Mac Studio M5 Ultra (64c GPU) 256GB · Model: Hy-Memory 30B-A3B (MoE, memory)

Mac Studio M5 Ultra (64c GPU) 256GB has 256 GB of unified memory and 1200 GB/s of memory bandwidth. Mac Studio M5 Ultra (80c GPU) 256GB has the same memory and bandwidth, so the fit numbers match; this page is Mac Studio M5 Ultra (64c GPU) 256GB. The checker leaves macOS a share of unified memory, so Ollama can use 192.0 GB. Hy-Memory 30B-A3B (MoE, memory) (30.06B, 3B active, Tencent) at Q8_0 is a 31.99 GB download and needs 33.3 GB with headroom for about 8k tokens.

Best quantQ8_0
Download size31.99 GB
Memory needed33.3 GB
Usable fast memory192.0 GB
Fitfits in fast memory
Estimated speed~150 tok/s (estimate)
Commandollama run hf.co/tencent/Hy-Memory-30B-A3B-GGUF:Q8_0
Open Mac Studio M5 Ultra (64c GPU) 256GB 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