We have a data centre that recently became the first in South East Asia (or perhaps in Asia too) to operate a certain type of liquid cooled rack. Liquid cooling technology is actually not new; It was quite common maybe 2 decades ago. The large mainframe computers of that era produced so much heat that they needed to be cooled by chilled water or refrigerant. Liquid cooling has become less common since then. Nowadays, the thought of water in a data centre is unimaginable to many data centre operators. But today, the advent of very high density computing is beginning to re-introduce liquid cooling into data centres.
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