# Nemotron 3 Ultra 550B-A55B: RAM and VRAM requirements

> Nemotron 3 Ultra 550B-A55B is a 550B Nemotron 3 model (Mixture-of-Experts, 55B active per token). At Q4_K_M it needs about **341 GB** to run and fits **0 of 40** tracked devices. Minimum to run: high-memory hardware.

Last validated: 2026-08-03. Sources: Ollama, HuggingFace GGUF repos, vendor specs.

## Memory by quantization
| Quant | On disk | To run (4k context) |
| --- | --- | --- |
| Q4_K_M | 334.55 GB | ~341 GB |
| Q8_0 | 544.13 GB | ~550.5 GB |

Memory = weights + KV cache + ~0.8 GB runtime overhead, and varies ±15% with context length.

## Will it run on my device?
- **Apple M1 (8GB)** (8 GB): No, not enough memory
- **iPhone 17** (8 GB): No, not enough memory
- **iPhone 17 Pro** (12 GB): No, not enough memory
- **16GB RAM Laptop (CPU/iGPU only)** (16 GB): No, not enough memory
- **Google Pixel 10 Pro** (16 GB): No, not enough memory
- **Nvidia GeForce RTX 3090 (24GB)** (24 GB): No, not enough memory
- **Apple M4 Pro (48GB)** (48 GB): No, not enough memory
- **Apple M3 Ultra (256GB)** (256 GB): No, not enough memory

Full table of all 40 devices: https://localmodel.run/model/nemotron-3-ultra-550b-a55b

## How to run
Use LM Studio (Mac/Windows) or Ollama / vLLM (Linux).

## Details
- Parameters: 550B (MoE, 55B active per token)
- Default context: 256k tokens
- License: OpenMDW-1.1 (commercial use: yes)
- Released: 2026-06
- HuggingFace: 451,729 downloads/mo, 302 likes

## FAQ
### How much VRAM or RAM does Nemotron 3 Ultra 550B-A55B need?
About 341 GB at Q4_K_M (weights 334.55 GB + KV cache + overhead) at a 4k context. Budget ~550.5 GB for Q8_0.
### Can Nemotron 3 Ultra 550B-A55B run on a laptop?
Nemotron 3 Ultra 550B-A55B is large; you need a high-memory Mac or a 24 GB+ GPU at Q4_K_M.
### Can I use Nemotron 3 Ultra 550B-A55B commercially?
Yes, OpenMDW-1.1 permits commercial use.

Sources: https://huggingface.co/nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16, https://huggingface.co/unsloth/NVIDIA-Nemotron-3-Ultra-550B-A55B-GGUF, https://ollama.com/library/nemotron-3-ultra
More: https://localmodel.run/model/nemotron-3-ultra-550b-a55b