Written by Jakub Rusinowski · Last updated August 15, 2026
Not at Q4_K_M — that needs 18.1 GB and the AMD Radeon RX 9070 XT has 16 GB. Drop to Q2_K and it fits in 12.4 GB, with up to 16K of context.
| Model | Nemotron Cascade 2 30B |
| Parameters | 30B |
| Quantization | Q4_K_M |
| VRAM needed | 18.1 GB |
| AMD Radeon RX 9070 XT VRAM | 16 GB |
| Verdict | Runs at a lower quant |
| Fits at | Q2_K (12.4 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 on this card:
Nemotron Cascade 2 30B needs ~18 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 AMD Radeon RX 9070 XT | VRAM calculator for Nemotron Cascade 2 30B | AMD Radeon RX 9070 XT GPU page | Check your hardware