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“The All Spark” Cluster: Upgrading from 16 - 36 DGX Sparks

This story is from 2026-08-23. It is preserved in the archive; the latest stories are on the live feed.

Earlier this year I posted about building what at the time I believe was the first 16x DGX Spark Cluster. I’m now adding 20 more Sparks to the cluster in my homelab server rack, giving me 4.6TB of unified memory. • 36x Sparks • 1x 200Gbps FS 24 x 200Gb QSFP56 + 8x 400Gb Switch • 24x QSFP56 DAC cabl…

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  1. 2026-08-23 02:38 · r/LocalLLaMA
    “The All Spark” Cluster: Upgrading from 16 - 36 DGX Sparks

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