Why it matters

GPU cluster planning is major capital decision. Understanding shapes efficient infrastructure.

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The architecture

Node: 8 GPUs typical, with matching CPU + RAM.

Network: InfiniBand for training, Ethernet for inference.

GPU cluster designNodes8-GPU typicalNetworkingIB or EthernetStorage + coolingNVMe + air/liquid1000-GPU cluster: significant power + cooling + networking planning required
Cluster planning.
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How it works end to end

Node: 8 GPUs (H100 typical), 100-200 CPU cores, 1-2TB RAM, TBs NVMe.

InfiniBand: 400-800 Gbps for training.

Ethernet: 100-400 Gbps for inference clusters.

Cooling: liquid for dense (60+ kW/rack).