I’m in the process of getting my Home Assistant environment up and running, and decided to run a test: it turns out that my gaming PC (custom 5800X3D/7900XTX build) uses more power just sitting idle, than both of my storage freezers combined.
Background: In addition to some other things, I bought two “Eightree” brand Zigbee-compatible plugs to see how they fare. One is monitoring the power usage of both freezers on a power strip (don’t worry, it’s a heavy duty strip meant for this), and the other is measuring the usage of my entire desktop setup (including monitors and the HA server itself, a Lenovo M710q).
After monitoring these for a couple days, I decided that I will shut off my PC unless I’m actively using it. It’s not a server, but it does have WOL capability, so if I absolutely need to get into it remotely, it won’t be an issue.
Pretty fascinating stuff, and now my wife is completely on board as well; she wants to put a plug on her iMac to see what it draws, as she uses it to hold her cross-stitch files and other things.
What kind of freezers are they? I hear that top loading freezers are quite efficient because the cool doesn’t escape when it gets opened like a front loading one.
Couple of thoughts:
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That smart plug may not be rated to the max wattage when GPU and CPU are at full blast. Be careful, because that could be an expensive mistake. Place a surge protector between the smart plug and the PC to be safe. Also run the PC full tilt for a while and make sure the smart plug doesnt get warm. If it does, fores have been known to start from those.
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Sounds like you know this with WoL, but suspend is your friend 😉 If the gaming PC is linux and you run into suspend issues, let me know, I’ve seen 'em all.
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Depends on the driver. Usually for finicky ones you can do an rmmod at suspend and a modprobe on resume. What distro, and are you using the default suspend mechanism?
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There are a couple of ways:
- Formally add a system entry to run at suspend/resume (like how nvidia does in their driver package)
Or
- Write a script that rmmods, suspends, sleeps, modprobes, and map it to Cntrl-Alt-Shift-S
I usually do 2 because I like the hotkey method for desktops, and it keeps things the same for both. Also allows me to close a lid on a laptop and leave it on. But 1 is more “formal”.
Happy to share some scripts if you’d like, on my phone now, though.
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Will grab some when I back, but assuming you are using
systemd, it’s easy if you follow this old but good method: https://blog.christophersmart.com/2016/05/11/running-scripts-before-and-after-suspend-with-systemd/If that doesn’t work out of the box, it’s likely because you’re hitting S1 instead of S3, but give that test script a shot and let me know how it goes!
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