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That server does a lot of other stuff. Controls zigbee devices, runs a small intranet search, handles internet archiving workloads...

The hard drives are the main power cost though.

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How many drives do you have in your server? Or do you just have very high power costs? I thought drives consume ~7-9w unless they're very high RPM. Maybe consider upgrading to a few high density drives? Hard drive costs have corrected recently after the Chia craze last year.

My estimate is that it's idling at ~250w. I'm admittedly fudging the details a bit, right now archive-team-warrior is using a lot of CPU because it's archiving telegram, and that's pushing the number up.

Calculating it again the actual number is a bit lower than that, and it wasn't in US dollars.

With a Kill A Watt (or similar, https://en.wikipedia.org/wiki/Kill_A_Watt) meter, you don't have to estimate power usage, you can measure the actual power usage.

I've got one, but it's being used for other stuff.

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