Autor: Jakub Rusinowski · Ostatnia aktualizacja: 11 września 2026
Not at Q4_K_M — that needs 19.1 GB and the NVIDIA GeForce RTX 5080 has 16 GB. Drop to Q2_K and it fits in 13.0 GB, with up to 16K of context.
| Model | Nemotron-Cascade 2 30B-A3B |
| Parameters | 31.6B (3.5B active) |
| Quantization | Q4_K_M |
| VRAM needed | 19.1 GB |
| NVIDIA GeForce RTX 5080 VRAM | 16 GB |
| Verdict | Runs at a lower quant |
| Fits at | Q2_K (13.0 GB) |
| Max context | 16K |
Quantize to Q2_K. That is the cheapest fix — it costs some quality but no money.
Running Nemotron-Cascade 2 30B-A3B on this card:
Nemotron-Cascade 2 30B-A3B needs ~19 GB but this GPU has 16 GB. Rent a RTX 4090 (24 GB)-class GPU by the hour instead of buying one:
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All Nemotron Cascade 2 sizes on the NVIDIA GeForce RTX 5080 | VRAM calculator for Nemotron-Cascade 2 30B-A3B | NVIDIA GeForce RTX 5080 GPU page | Check your hardware