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Qwen3 235B-A22B on the RTX 6000 Ada

Qwen3 235B-A22B at Q4_K_M needs about 141 GB: the RTX 6000 Ada (48 GB) cannot run it well, even with system RAM. At Q3_K_M it does not fit in VRAM.

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Qwen3 235B-A22B

Q4_K_M · 8K context

Incompatible

The model needs about 141 GB; VRAM plus usable RAM give 97.8 GB. 43.6 GB are missing.

Your hardware
RTX 6000 Ada 48 GB · 64 GB RAM
Estimated memory
~141 GB estimate
VRAM (usable memory)
46.6 GB
GPU only
No
CPU/GPU offload
Required (51.2 GB)
Generation speed
Not available
Largest context in fast memory
None
Confidence: high

Memory breakdown

~141 GB (138 GB–145 GB) needed · estimate

Does not fit · 43.6 GB missing

  • Model weights132 GB
  • KV cache1.5 GB
  • Runtime overhead0.8 GB
  • Safety margin6.7 GB
Assumptions: context 8K tokens · KV cache f16 · llama.cpp (CUDA) · flash attention on · weights = real file size

EstimateData updated 24 days agoSource: Run LLM Locally engine, Hugging Face config.json + model card

What makes this estimate less reliable

  • split CPU/GPU runs vary a lot with the CPU and PCIe link
  • system RAM speed unknown (dual-channel DDR4-3200 assumed)
  • mixture-of-experts: speed depends on expert routing

Other quantizations on the RTX 6000 Ada

Qwen3 235B-A22B on RTX 6000 Ada + 64 GB RAM · 8K context
Qwen3 235B-A22B Q8_08K~247 GB · No dataIncompatible
Qwen3 235B-A22B Q6_K8K~191 GB · No dataIncompatible
Qwen3 235B-A22B Q5_K_M8K~166 GB · No dataIncompatible
Qwen3 235B-A22B Q4_K_M8K~141 GB · No dataIncompatible
Qwen3 235B-A22B IQ4_XS8K~125 GB · No dataIncompatible
Qwen3 235B-A22B Q3_K_M8K~112 GB · No dataIncompatible

Alternatives

GPUs that run Qwen3 235B-A22B Q4_K_M entirely in VRAM

    Other models that fit the RTX 6000 Ada

    Hardware that runs Qwen3 235B-A22B Q4_K_M entirely in memory

    Prices and links follow the market you choose.

    RTX PRO 6000 Blackwell Workstation Edition

    NVIDIA

    ExcellentRuns Qwen3 235B-A22B Q4_K_M entirely in memory

    Price not available

    Availability unknown

    View on amazon.com

    Affiliate link

    Mac Studio M3 Ultra

    Apple Silicon

    ExcellentRuns Qwen3 235B-A22B Q4_K_M entirely in memory

    Price not available

    Availability unknown

    View on amazon.com

    Affiliate link

    No current offer imported for this market: the link opens a marketplace search.

    Frequently asked questions

    Can the RTX 6000 Ada run Qwen3 235B-A22B?
    The model needs about 141 GB; VRAM plus usable RAM give 97.8 GB. 43.6 GB are missing.
    Which quantization should I use on the RTX 6000 Ada?
    None fits entirely in VRAM at 8K context; the smallest, Q3_K_M, still needs offload.
    What is the largest context on the RTX 6000 Ada?
    At Q4_K_M, the model does not fit entirely in VRAM even at a short context.