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Can DGX Spark (GH200 480GB) run Solar Open 2?

NVIDIA · 480 GB LPDDR5X · 500 GB/s bandwidth · Upstage · 250.0B (active 15.0B) · MoE · model ctx up to 1024K

✅ Yes — DGX Spark (GH200 480GB) (480 GB) can run Solar Open 2 at Q4 (8K)
VRAM: 138.88 GB needed of 480 GB
Speed: ~30.9 tok/s (estimated)
SS · ExcellentComposite score: VRAM headroom × 0.5 + tok/s speed × 0.5. Q4 @ 8K context.
CUDA
Excellent for 💬 chatGood for ⌨️ codingExcellent for 📋 general
Estimates from memory-bandwidth formula; rows marked "measured" override. Methodology.

Fit & speed by quant and context

QuantContextVRAM neededFits?tok/s (decode)
Q44K138.69 GBYes30.9 ± est.
Q48K default138.88 GBYes30.9 ± est.
Q432K140.0 GBYes30.9 ± est.
FP164K501.19 GBNo9.8 ± est.
FP168K default501.38 GBNo9.8 ± est.
FP1632K502.5 GBNo9.7 ± 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 neededDGX Spark (GH200 480GB) VRAM
Q4137.5 GB0.38 GB1 GB138.88 GB480 GB
FP16500.0 GB0.38 GB1 GB501.38 GB480 GB

Other GPUs that run Solar Open 2

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Other models for the DGX Spark (GH200 480GB)

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