Written by Jakub Rusinowski · Last updated June 26, 2026
Yes — comfortably
Yes, comfortably — GLM-6 9B at Q8_0 needs about 11.6 GB of the 48 GB usable on Mac Studio (M4 Max, 64 GB), leaving ~36.4 GB spare and running at ~27 tok/s (estimated), with room for about 65,536 tokens of context.
Confidence: medium · Recommended quantization: Q8_0 · Estimated speed: ~27 tok/s
| Usable memory for models | 48 GB |
| Memory bandwidth | 546 GB/s |
| Form factor | Desktop |
| Operating system | macOS |
| Memory upgradeable | No — soldered |
| Quant | Memory needed | Fits 48 GB? | Max context | Est. speed | Download |
|---|---|---|---|---|---|
| F16 | 20 GB | ✓ Yes | 64K | ~15.3 tok/s | 18 GB |
| Q8_0 | 11.6 GB | ✓ Yes | 64K | ~27 tok/s | 9.6 GB |
| Q6_K | 9.4 GB | ✓ Yes | 64K | ~33.7 tok/s | 7.4 GB |
| Q5_K_M | 8.4 GB | ✓ Yes | 64K | ~38 tok/s | 6.4 GB |
| Q4_K_M | 7.4 GB | ✓ Yes | 64K | ~43.1 tok/s | 5.4 GB |
| Q3_K_M | 5.8 GB | ✓ Yes | 64K | ~56.1 tok/s | 3.8 GB |
| Q2_K | 5 GB | ✓ Yes | 64K | ~67.1 tok/s | 3 GB |
| Variant | Needs at Q4_K_M | Fits? | Est. speed |
|---|---|---|---|
| GLM-6 355B-A32B | 219.2 GB | ✗ Too large | — |
| GLM-6 9B | 7.4 GB | ✓ Fits | ~43.1 tok/s |
Ollama or LM Studio (Metal) — MLX for the fastest Apple-native throughput
Yes, comfortably — GLM-6 9B at Q8_0 needs about 11.6 GB of the 48 GB usable on Mac Studio (M4 Max, 64 GB), leaving ~36.4 GB spare and running at ~27 tok/s (estimated), with room for about 65,536 tokens of context.
Q8_0 — it needs about 11.6 GB of the 48 GB available, downloads as roughly 9.6 GB, and runs at an estimated 27 tokens/sec with up to 64K of context.
Nothing binding — the model fits with headroom and generates at a usable speed on this hardware.
Ollama or LM Studio (Metal) — MLX for the fastest Apple-native throughput