Why it matters

Thermal management affects perf + hardware life. Understanding shapes operations.

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The architecture

TDP: thermal design power.

Junction temp: thermal throttle threshold.

GPU thermal envelopeTDP700W+ for H100Junction tempthrottle thresholdCoolingair / liquidLiquid cooling essential above ~40 kW/rack
Thermal management.
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How it works end to end

Throttle: reduces clock when hot.

Cooling: air OK to certain density; liquid for high.

Ambient: DC cooling capacity affects available GPU perf.