Can I Run Qwen 3.5 122B-A10B on NVIDIA RTX 6000 Ada Generation?
Written by Jakub Rusinowski · Last updated July 21, 2026
Not at Q4_K_M — that needs 77.3 GB at 8K context and the NVIDIA RTX 6000 Ada Generation has 48 GB. Drop to Q2_K and it fits in 43.8 GB, with up to 16K of context.
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The numbers
| Model | Qwen 3.5 122B-A10B |
| Parameters | 122B (10B active) |
| Quantization | Q4_K_M |
| VRAM needed (8K context) | 77.3 GB |
| NVIDIA RTX 6000 Ada Generation VRAM | 48 GB |
| Verdict | Runs at a lower quant |
| Fits at | Q2_K (43.8 GB) |
| Max context | 16K |
Qwen 3.5 122B-A10B on the NVIDIA RTX 6000 Ada Generation: VRAM by quantization
| Quant | VRAM needed | Fits 48 GB? | Max context | Whole PC |
|---|---|---|---|---|
| F16 | 247.7 GB | ✗ No | — | — |
| Q8_0 | 133.3 GB | ✗ No | — | — |
| Q6_K | 103.7 GB | ✗ No | — | — |
| Q5_K_M | 90.1 GB | ✗ No | — | — |
| Q4_K_M | 77.3 GB | ✗ No | — | — |
| Q3_K_M | 55.7 GB | ✗ No | — | — |
| Q2_K | 43.8 GB | ✓ Yes | 16K | — |
Assumes an 8K-token context with an f16 KV cache, on an estimated architecture — this model publishes no config we can read. A longer window needs more; a quantized KV cache needs less. “Max context” is the largest window that still fits in 48 GB. Figures are estimates from parameter count, quantization and memory bandwidth — the analyzer lets you tune KV-cache quant and context.
Context costs VRAM too. At Q4_K_M on the NVIDIA RTX 6000 Ada Generation: 8K 77.3 GB ✗ · 32K 85.9 GB ✗ · 128K 120.1 GB ✗. Past 8K it no longer fits 48 GB — a q8_0 KV cache buys roughly half of that back, which the calculator will price for you.
What to do next
Quantize to Q2_K. That is the cheapest fix — it costs some quality but no money.
No compatible GPU? Qwen 3.5 122B-A10B on 128 GB of system RAM, CPU only: runs.
Running Qwen 3.5 122B-A10B on this card:
Qwen 3.5 122B-A10B needs ~77 GB but this GPU has 48 GB. Rent a A100 (80 GB)-class GPU by the hour instead of buying one:
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Cloud rates verified 2026-07 — estimates, and marketplace prices vary. Buying price is GPU MSRP only, not a full PC.
Other Qwen 3.5 sizes on the NVIDIA RTX 6000 Ada Generation
- Qwen 3.5 397B-A17B — does not fit (139 GB)
- Qwen 3.5 35B-A3B — runs (23.8 GB)
- Qwen 3.5 27B — runs (18.8 GB)
- Qwen 3.5 9B — runs (6.5 GB)
- Qwen 3.5 4B — runs (3.5 GB)
- Qwen 3.5 2B — runs (2.7 GB)
- Qwen 3.5 0.8B — runs (1.8 GB)
Qwen 3.5 122B-A10B on nearby hardware
- Apple M3 Pro (36 GB) — does not fit
- NVIDIA A100 80GB (PCIe) (80 GB) — runs
All Qwen 3.5 sizes on the NVIDIA RTX 6000 Ada Generation | Qwen 3.5 122B-A10B model page | NVIDIA RTX 6000 Ada Generation GPU page | VRAM calculator | Check your hardware