The race to keep data centres cool is heating up
As data centre workloads climb, scientists and data centre operators are pushing the limits of cooling technology to keep temperatures under control.
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Yong Jun Yuan
A MICROWAVE oven typically puts out about 600 watts to 1,200 watts of heat to pop popcorn and reheat frozen pizzas. Now, imagine a similar amount of power condensed into an area less than the size of a postage stamp.
With 80 billion transistors packed into just 814 square millimetres, Nvidia’s latest H100 graphics processing unit (GPU) draws 700 watts of power running full-bore. Nearly all of that power is released as heat.
Rather than powering a gamer’s desktop, large pools of these GPUs are connected together to verify payments on blockchains, render animations and crunch data for machine learning, among other use cases.
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