this post was submitted on 14 Jun 2025
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[–] Korhaka@sopuli.xyz 85 points 2 days ago* (last edited 2 days ago) (23 children)

Power consumption is a massive reason to really not do that. Its cheap for a reason, its takes a shitload of power to be shit and you will pay more in energy than you save in hardware unless its only powered on for short periods of time - a server typically isn't.

This is actually something that applies to cheap products too. Was in Asda a little while ago and saw 2 LED bulbs with the same lumen rating. Cheaper one used 3w more and you only saved £1. Running it for 8 hours a day for a year would cost double that saving in electricity. For a server you are looking at almost £2 per watt each year. Does that ewaste look so good to you now?

Some things are absolutely worth getting second hand, but you really should be careful considering the power cost as well.

Quick edit: If you don't need it running 24/7, consider something like AWS too. I love selfhosting but if its not running much it might be cheaper to not bother buying hardware.

[–] MangoCats@feddit.it 6 points 1 day ago (1 children)

A good "rule of thumb" to remember: if your electricity rates average (somewhere near) $0.11/kWh you can take the average power draw of a device in watts and that is equal to what it will cost to run that device 24-7 for 365 days.

So, if that cheap PC draws 50W more than an alternate solution, it's costing you $50 more per year to use it.

Some tasks are beyond any RasPi, but it's well worth evaluating if something like an N100 fanless mini-PC can handle it instead of loading up some Core i7 rig that's going to cost more to run in the first year than the N100 costs to buy.

[–] Korhaka@sopuli.xyz 3 points 1 day ago* (last edited 1 day ago) (1 children)

Your energy is clearly a lot cheaper than mine then.

[–] MangoCats@feddit.it 2 points 1 day ago

Well, the idea scales, if your energy is 0.33 Euro per kWh take the watts x 3 and that's your annual running cost.

[–] HugeNerd@lemmy.ca 12 points 1 day ago (3 children)

Are you living on a space station? What is this shitload of power? A whole 60 watts? Are you rationing AA batteries to run your household?

What is it with the bullshit fanciful rationalizations people come up with to consume consume consume?

[–] squaresinger@lemmy.world 8 points 1 day ago (1 children)

And that's 60W while charging. In idle with the screen off, low end laptops often consume as little as 2-3W. Which is not far off from a pi.

[–] HugeNerd@lemmy.ca 2 points 1 day ago

But I want to be cool and awesome! I want to constantly re-learn how to do basic things over and over because TECHNOLOGY!!!

https://slashdot.org/comments.pl?sid=23718473&cid=65450499

And I think China is evil and dumb... but I click "add to cart" on aliexpress in my sleep!

But I am deeply worried about totally renewable energy consumption by buying an endless stream of disposable baubles!

(Read above in some kind of sarcastic tone)

[–] fratermus@lemmy.sdf.org 5 points 1 day ago (1 children)

Are you living on a space station? What is this shitload of power?

Some of us live off-grid and make every Watt-hour we consume. So it may be that one man's fanciful bullshit is another man's daily life. For context, this is my 2,461st day offgrid.

A whole 60 watts?

Over the last 30 days I've averaged 2.01kWh/day, or an average constant consumption of 84w. All in. And that's on the high end for folks in similar use cases. In this scenario adding in another 60w would be significant (ie, impossible for my rig during winter months).

As Sesame Street taught showed us it's a matter of perspective.


[–] Thebigguy@lemmy.ml 0 points 18 hours ago* (last edited 14 hours ago)

Um if you’re living with computers are you really „off the grid“ computers require the grid to be manufactured. If you’re off the grid because you worry about the way the worlds going and you think you’ll need to be off the grid to survive I wouldn’t make having access to computers part of the plan.

[–] Korhaka@sopuli.xyz 3 points 1 day ago (1 children)

60w is like £120 a year, these costs add up to the point that low spec servers pretty much always cost more in energy than hardware. Of course it also depends on where you live and your energy rates.

You could buy a 20 year old server that is going to use 800w, or you could buy a mini PC that is probably more powerful and uses like 10-20w.

Then again, I used to live somewhere that energy was included in the rent so short of starting a bitcoin farm usage wouldn't really get noticed too much. In that case it would make sense to just go cheap hardware.

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[–] hexagonwin@lemmy.sdf.org 4 points 1 day ago

these shitty win8 laptops are surprisingly low power and efficient though.

[–] Allero 19 points 2 days ago

Aren't laptops typically very energy efficient? Low consumption converts to high battery life, which is a priority for laptop hardware.

Some of them consume less than 10W.

[–] areyouevenreal@lemm.ee 15 points 2 days ago* (last edited 2 days ago) (5 children)

Yes actually still sounds good. Raspberry Pis actually have quite high power draw compared to the performance they give. Like sure the number might be smallish but the performance they give and functionality they have is awful compared to even a mini PC which use similar power. Mini PCs btw are actually one of the best options in performance per watt and can still be cheap, plus they have upgradable RAM and storage. A Mac mini is more expensive but will thrash everything else in efficiency and performance per watt, although non-upgradable. Even slightly older laptops will only draw tens of watts when fully charged, vs a desktop or proper server that could pull 100W even at idle in some cases. Older laptops tended to be more upgradable too.

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[–] lipilee@feddit.nl 6 points 1 day ago (1 children)

damn you all, now I impulse bought an old thin client for 30EUR :-) but, fwiw: I mostly use RPi for my purposes, up to RPi4; RPi 5 I think missed the mark, with its active cooling requirement and power use. (and price...) the only use case where an i86 alternative is justified is my jellyfin setup (where realtime transcoding is needed).

[–] MangoCats@feddit.it 3 points 1 day ago (2 children)

As a Pi Hole, the Pi 5 doesn't require active cooling.

Now, I am running a separate Pi 5 with a HAILO 8 for Frigate monitoring of a bunch of video streams, and it does need a little air movement, so I built a box with a 200mm fan pulling through a filter and I just threw all my Pis in there along with the Frigate rig so they stay nice and cool... I'm thinking that I should probably switch Frigate over to a Pi 4 for the h.264 hardware decoder, but the 5 is working fine for my needs and endless tweaking gets boring...

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[–] vocornflakes@lemmy.world 31 points 2 days ago

I have one of those 8.1 laptops - I LITERALLY fished it out of a dumpster.

[–] jol@discuss.tchncs.de 142 points 2 days ago (4 children)

It's not just the size constraint. The power usage is significant...

[–] bizarroland@lemmy.world 84 points 2 days ago (17 children)

If you have the lid closed, you're looking at 3 to 15 watts to have a laptop running in the background doing some basic server shit.

Maybe a little more under high load, but those are going to be intermittent and not constant.

I'm just saying it's not that much more electricity usage, and the recycling more than offsets the CO2.

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[–] Googledotcom@lemm.ee 2 points 1 day ago* (last edited 1 day ago)

I had the accounting self hosted web app on it until I was too lazy for accounting and now I am in so called hot water and must make bunch of shit up using mathematical apparatus

But it worked really well for a year or so

[–] j4yt33@feddit.org 92 points 2 days ago (19 children)

Get them from where? I always read about these basically-free computers but have yet to see one

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[–] polle@feddit.org 61 points 2 days ago (16 children)

Where are these cheap e waste laptops with gpio and actually low power?

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[–] M137@lemmy.world 21 points 2 days ago* (last edited 2 days ago) (6 children)

And for some (including me) that's our only computer (other than phone). I just can't afford anything, so all I have is a shitty laptop from 2010 that barely plays 1080p video. I deeply want something better, especially a steam deck, but doesn't look like that'll happen anytime soon (or ever). And then you see people have steam decks that just sit there, unused, gathering dust.... fuck.

[–] Toribor@corndog.social 3 points 1 day ago

Consider buying used hardware from an office. Lots of places sell used gear for dirt cheap. A used office desktop with a used GPU from the last 3 years or so would be a massive upgrade without spending much.

Steam Deck is still a good deal for what it is though, but I wouldn't use it as a primary workstation.

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