this post was submitted on 04 Aug 2025
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No Stupid Questions

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Apparently data centers routinely burn through water at a rate of about 1.9 liters per KWh of energy spent computing. Yet I can ๐ŸŽฎ HARDCORE GAME ๐ŸŽฎ on my hundreds-of-watts GPU for several hours, without pouring any of my Mountain Dew into the computer? Even if the PC is water cooled, the water cooling water stays in the computer, except for exceptional circumstances.

Meanwhile, water comes out of my A/C unit and makes the ground around it all muddy.

How am I running circles around the water efficiency of a huge AI data center, with an overall negative water consumption?

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[โ€“] MantisToboggon@lazysoci.al 15 points 11 hours ago (12 children)

They use evaporative cooling for a chiller plant most likely.

[โ€“] planish@sh.itjust.works 4 points 11 hours ago (11 children)

Why would they design around evaporative cooling when water consumption is a problem?

[โ€“] fullsquare@awful.systems 4 points 11 hours ago

it wasn't a problem before they started doing this

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