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Can H100 80GB SXM5 run Nemotron-3-Nano-Omni-30B-A3B-Reasoning-BF16?

NVIDIA · 80 GB HBM3 · 3350 GB/s bandwidth · NVIDIA · 30.0B (active 3.0B) · MoE · model ctx up to 256K

Yes — the H100 80GB SXM5 (80 GB HBM3) can run Nemotron-3-Nano-Omni-30B-A3B-Reasoning-BF16. At Q4 with the default 8K context it needs ≈ 18.1 GB VRAM (weights 16.5 GB + KV cache 0.6 GB + 1 GB runtime overhead), which fits within 80 GB. Decode at Q4/8K: ≈ 710.6 tok/s (estimated, batch 1). FP16 (≈ 61.6 GB) also fits, at ≈ 195.4 tok/s (estimated). Estimates come from memory-bandwidth math; rows tagged measured override estimates. Relative ranking is more reliable than absolute tok/s. Methodology.

Fit & speed by quant and context

QuantContextVRAM neededFits?tok/s (decode)
Q44K17.8 GBYes710.6 est.
Q48K default18.1 GBYes710.6 est.
Q432K19.9 GBYes710.6 est.
FP164K61.3 GBYes195.4 est.
FP168K default61.6 GBYes195.4 est.
FP1632K63.4 GBYes195.4 est.

Fits = weights + KV(ctx) + 1 GB overhead ≤ 95% of VRAM. Measured anchors are context-agnostic; the fit verdict is recomputed per context. A missing tok/s means the model is far beyond this card (offload-only territory).

VRAM breakdown at 8K context

QuantWeightsKV cacheOverheadTotal neededH100 80GB SXM5 VRAM
Q416.5 GB0.6 GB1 GB18.1 GB80 GB
FP1660.0 GB0.6 GB1 GB61.6 GB80 GB

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