Can Nemotron 3.5 Lightning 30B-A3B run on MacBook Pro M3 Pro 18GB?
NO — Won’t fit
Q8_0 · 4K context · formula estimate
What this means
The checked Q8_0 build needs about 36.1GB, above this Mac's conservative 15GB working budget.
−21.1GB short
above the working budget
36.1GB
needed at Q8_0
Q8_0
quant selected
0GB
working headroom
needs 36.1 GBworking budget 15 GB · short 21.1 GB
Where the memory goes
| Component | Detail | GB |
|---|---|---|
| Model weights | Q8_0 GGUF (33.6 GB) + mmap overhead | 35.3 |
| KV cache | 4K context window | 0 |
| Runtime | macOS inference app + compute buffers | 0.8 |
| Total needed | at Q8_0, 4K context | 36.1 |
| Working budget | 18 GB unified memory − conservative macOS reserve | 15 |
| Headroom | memory shortfall | −21.1 |
Pick your quant
| Quant | Download | Memory | Estimated speed | Verdict |
|---|---|---|---|---|
| Q4_0 | 18.9 GB | 20.7 GB | — | ✕ Won't fit |
| Q8_0 ★ | 33.6 GB | 36.1 GB | — | ✕ Won't fit |
Other models on this Mac
Nemotron 3.5 Lightning 30B-A3B on other MacBook Pro M3 Pro configurations
FAQ
Can the MacBook Pro M3 Pro · 18GB run Nemotron 3.5 Lightning 30B-A3B?
Not with the quants currently tracked. The selected Q8_0 build needs about 36.1GB, above the 15GB working budget.
Which Nemotron 3.5 Lightning 30B-A3B quant should I use on this Mac?
None of the tracked quants fit this configuration safely. Choose a smaller model or a Mac with more unified memory.
Which app should I use for Nemotron 3.5 Lightning 30B-A3B on this Mac?
Start with LM Studio. This page gives the complete point-and-click walkthrough.
Are these speeds measured on a MacBook Pro M3 Pro?
No. The range is a formula estimate based on memory bandwidth, model size, active parameters, cooling, and a 4K context. The app, backend, thermals, and prompt can change real performance.