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Can B200 192GB SXM run Mixtral-8x7B-Instruct-v0.1?

NVIDIA · 192 GB HBM3e · 8000 GB/s bandwidth · Mistral · 46.7B (active 12.9B) · MoE · model ctx up to 32K

Yes — the B200 192GB SXM (192 GB HBM3e) can run Mixtral-8x7B-Instruct-v0.1. At Q4 with the default 8K context it needs ≈ 29.27 GB VRAM (weights 25.69 GB + KV cache 2.58 GB + 1 GB runtime overhead), which fits within 192 GB. Decode at Q4/8K: ≈ 394.6 tok/s (estimated, batch 1). FP16 (≈ 96.98 GB) also fits, at ≈ 108.5 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)
Q44K27.98 GBYes394.6 est.
Q48K default29.27 GBYes394.6 est.
Q432K37.01 GBYes394.6 est.
FP164K95.69 GBYes108.5 est.
FP168K default96.98 GBYes108.5 est.
FP1632K104.72 GBYes108.5 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 neededB200 192GB SXM VRAM
Q425.69 GB2.58 GB1 GB29.27 GB192 GB
FP1693.4 GB2.58 GB1 GB96.98 GB192 GB

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