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Yikes, my rate is $0.0825/kWH in the southern US. Part Nuclear but too much Natural Gas in my opinion.



That's a great rate. My homelab excluding poe stuff I suspect will end up using 300-500W. Not a lot of money but still annoying to be paying.

1. 56G mellanox switch - 35W

2. An old box I made a router - 50W

3. A two node server - 220W each

Replacing (2) with something that idles at 10W Will probably do one node for (3) so got more ram to try out.

I wish we had cheap energy. I could add much more stuff to this lol.


My UniFi mad PoE setup draws about 100w and my NAS another 100w or so. The i3 in my Supermicro board has been quite the efficient little CPU. My AMD 7950 and a 4070ti had to be taken off one my UPS because it was going over 1000w at times. Not sure what the full draw is while gaming.

The thing that kept me away from retired server hardware isn’t so much the power draw as it is the fan noise.


I have a thing in my garage that makes more noise than a plane taking off (from inside the cabin). So I concur.

Switch is not too bad, but the 2u (2x 1u nodes in one 2u package with a title or 2x 1u fans) server is a total madness.




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