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Can H200 141GB SXM5 run DeepSeek-V4-Flash?

NVIDIA · 141 GB HBM3e · 4800 GB/s bandwidth · DeepSeek · 158.1B (active 13B) · MoE · model ctx up to 1000K

✅ Yes — H200 141GB SXM5 (141 GB) can run DeepSeek-V4-Flash at Q4 (8K)
VRAM: 88.28 GB needed of 141 GB
Speed: ~235.0 tok/s (estimated)
BB · GoodComposite score: VRAM headroom × 0.5 + tok/s speed × 0.5. Q4 @ 8K context.
CUDA
Estimates from memory-bandwidth formula; rows marked "measured" override. Methodology.

Fit & speed by quant and context

QuantContextVRAM neededFits?tok/s (decode)
Q44K88.12 GBYes235.0 ± est.
Q48K default88.28 GBYes235.0 ± est.
Q432K89.25 GBYes235.0 ± est.
FP164K317.36 GBNo36.4 ± est.
FP168K default317.52 GBNo36.4 ± est.
FP1632K318.5 GBNo36.2 ± 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 neededH200 141GB SXM5 VRAM
Q486.95 GB0.33 GB1 GB88.28 GB141 GB
FP16316.2 GB0.33 GB1 GB317.52 GB141 GB

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