Reddit user builds 16-node DGX Spark cluster to run local frontier models

Poster plans to run open frontier models — DeepSeek V4 Pro, Kimi K3, GLM 5.5, MiniMax M4 — on 16 Asus GX10 (GB10) nodes linked via a MikroTik CRS804-4DDQ switch with 400-to-100 Gbps breakout cables. Expects to run two models on 8-node clusters each.
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