Llama 3_3 Nemotron Super 49B v1_5 locally
Llama 3_3 Nemotron Super 49B v1_5 is an open-weight LLM from the Llama family with 49B parameters. Main use: chat, RAG and general assistance. Detected minimum hardware: RTX 5090 (32 GB).
Available quantizations
GGUF weightsAcceptable. Good compromise when VRAM is limited.
Good quality. Sweet spot for size and precision.
Near-FP16 quality. Comfortable for production.
Reference precision. Maximum quality, doubled VRAM.
Compatible GPUs
12 single-GPUGPUs that can run Llama 3_3 Nemotron Super 49B v1_5 on a single card, ranked by VRAM headroom.
Recommended multi-GPU rigs
2x / 4x consumer GPUsFor Llama 3_3 Nemotron Super 49B v1_5 at higher quantization or with more context, a multi-GPU rig gives more headroom.
Recommended rig
Llama 3_3 Nemotron Super 49B v1_5 with Ubuntu, vLLM, Open WebUI and the model already downloaded.
Similar models
VRAM estimates: parameters x bits/8 plus margin. Real performance varies by engine, context length and batch size.
sync: 2026-06-23