r/LocalLLaMA
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“The All Spark” Cluster: Upgrading from 16 – 36 DGX Sparks
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 cables • 6x 400gb to 2x 2