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Can DGX Spark (GB10) run Nemotron 3.5 Bolt 74B-A9B?

Yes. Measured 61.61 tok/s generation (llama.cpp, 2-bit 24GB GGUF + DFlash speculative decoding (7 draft tokens); source).

Every measured result for Nemotron 3.5 Bolt 74B-A9B on DGX Spark (GB10)

BuildQuant / setupEnginetok/s
DGX Spark (GB10, 128GB): Nemotron 3.5 Super VL 120B and Bolt 74B, launch-week runs2-bit 24GB GGUF + DFlash speculative decoding (7 draft tokens)llama.cpp61.61source
DGX Spark (GB10, 128GB): Nemotron 3.5 Super VL 120B and Bolt 74B, launch-week runs2-bit 24GB GGUF, no speculative decodingllama.cpp39.47source

Memory: DGX Spark (GB10) has 128 GB. Nemotron 3.5 Bolt 74B-A9B weights are about 45.3 GB at Q4_K_M (74.04B params × 4.89 bits ÷ 8, before context/KV cache). Arithmetic, not a measurement; long contexts need more. Check other quants in the VRAM calculator.

Speeds are decode (generation) tokens/sec as reported by each source; quant, engine and context differ, so small gaps are noise.

All measured speeds for Nemotron 3.5 Bolt 74B-A9B: best home rig for Nemotron 3.5 Bolt 74B-A9B.

Nemotron 3.5 Bolt 74B-A9B on other hardware: RTX 3090 · RTX 4090 · RTX 5090

Other models measured on DGX Spark (GB10): Gemma 4 26B-A4B · Nemotron 3 Nano Omni 30B · Nemotron 3 Super 120B-A12B · Nemotron 3.5 Lightning 30B-A3B · Nemotron 3.5 Super VL 120B-A12B · Qwen3.6 27B · Qwen3.6 35B-A3B · Qwen3.8 27B · Qwen3.8 Flash-Next · gpt-oss 120B · gpt-oss 20B

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