this post was submitted on 15 Jun 2023
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Hi All,

Apologies if this is in the wrong community.

I'm looking to get a UPS for my home server. It runs Homeassistant, Plex, and a few other things. I mainly need something to protect from power flickers/blips, and for it to allow a proper shutdown for prolonged power outages.

Here is the power useage on all my devices:

  • Server: 350w
  • NAS: 90w
  • Router: 42w

Any info on what to look for or which model to buy would be greatly appreciated.

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[–] boothin@kbin.social 3 points 1 year ago* (last edited 1 year ago)

Typically you'd have a server running on a device on each UPS, and the clients would be the other devices also plugged into that UPS, so when that UPS is low, everything plugged into it will turn off. If you have another UPS elsewhere in the house, you would have another server installed on a device there so it can monitor that UPS that it is plugged into, and tell the other devices also plugged into that other UPS to shut down. Without knowing the layout you are running though, there's no way to know if NUT is what you need or want.

So in your case it would likely be to plug your server and nas both into the same UPS, and when the server detects the UPS is low battery, it will tell the NAS to shut down. This would also require the switches/router/whatever to also be on a UPS to hold power of course. So then it basically becomes each little cluster of devices that need UPS would also have a switch nearby that is also on the UPS