Can 8x RTX 3090 run DeepSeek V4 Flash?
Yes. Measured 95.52 tok/s generation (vLLM LimeChain SM86 overlay, 1 concurrent request, see source (FP8 KV cache); source).
Every measured result for DeepSeek V4 Flash on 8x RTX 3090
| Build | Quant / setup | Engine | tok/s | |
|---|---|---|---|---|
| 8x RTX 3090 serving DeepSeek V4 Flash (LimeChain vLLM kit) | see source (FP8 KV cache) | vLLM LimeChain SM86 overlay, 1 concurrent request | 95.52 | source |
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 DeepSeek V4 Flash: best home rig for DeepSeek V4 Flash.
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