Xiaoniao000 Q4_K_M 120B Parameters

VRAM Requirements for
huizimao_gpt-oss-120b-uncensored-bf16-GGUF Q4_K_M

To run huizimao_gpt-oss-120b-uncensored-bf16-GGUF locally at Q4_K_M quantization, you need at minimum 71.47 GB of GPU VRAM.

71.47 GB
Required VRAM
67.5 GB
File Size
8K tokens
Context Window
120B
Parameters
Estimated VRAM Required
71.47
GB
Data Centre Class
0 16GB
RTX 3080 48GB
A6000 80GB+

Recommended GPU Configurations

⚠️ 23.5 GB short
Budget $3,200 – $4,000

2× RTX 4090 (48GB) + aggressive quant

48 GB

Use a lower quantization to fit. Viable for testing at this scale.

Balanced $15,000 – $22,000

NVIDIA A100 80GB PCIe

80 GB HBM2e

Single-card 80GB. Industry-standard for large model inference.

Ultimate $25,000 – $40,000

NVIDIA H100 80GB SXM5

80 GB HBM3

State-of-the-art inference. 3× the bandwidth of A100.

📊 VRAM Calculation Breakdown

Model File Size (Q4_K_M) 67.5 GB
Context Overhead (8,192 tokens × 120B × 2 ÷ 1M) 1.966 GB
System Buffer (OS + CUDA runtime) 2.00 GB
Total Required VRAM 71.47 GB

Try a Different Quantization

Use the interactive calculator to compare huizimao_gpt-oss-120b-uncensored-bf16-GGUF across all available formats.

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huizimao_gpt-oss-120b-uncensored-bf16-GGUF — Other Quantizations

Q2_K 37.5 GB file
41.47 GB
Q2_K_L 37.5 GB file
41.47 GB
Q2_M 37.5 GB file
41.47 GB
Q3_K_L 52.5 GB file
56.47 GB
Q3_K_XL 52.5 GB file
56.47 GB
Q3_M 52.5 GB file
56.47 GB
Q4_K_L 67.5 GB file
71.47 GB
Q4_K_M Current
71.47 GB
Q4_NL 67.5 GB file
71.47 GB
Q6_K 97.5 GB file
101.47 GB
BF16 240 GB file
243.97 GB
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Frequently Asked Questions

Can I run huizimao_gpt-oss-120b-uncensored-bf16-GGUF Q4_K_M on a consumer GPU?
Running huizimao_gpt-oss-120b-uncensored-bf16-GGUF Q4_K_M locally requires 71.47 GB VRAM, which exceeds consumer GPUs. You'll need prosumer cards like the NVIDIA A6000 (48GB) or an A100 (80GB).
What happens if I don't have enough VRAM?
If your GPU VRAM is insufficient, llama.cpp and similar tools will offload model layers to system RAM (CPU inference). This is much slower — expect 10-50× the generation latency compared to full GPU inference.
Can I use multiple GPUs to run huizimao_gpt-oss-120b-uncensored-bf16-GGUF?
Yes! Tools like llama.cpp, vLLM, and Ollama support tensor parallelism across multiple GPUs. For example, 2× RTX 3090 (24GB each) gives you 48GB total VRAM, which can run many large models.
Is Q4_K_M quality good enough for production?
Q4_K_M is an excellent balance of quality and performance. Perplexity tests show minimal degradation (< 2%) vs FP16 for most models. Suitable for most production applications.