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Super Power-Efficient ITX Nas CPU/Motherboard? (lemmy.world)

submitted 9 months ago by nopersonalspace@lemmy.world to c/selfhosted@lemmy.world

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I've got a NAS built in a Node 304 mini itx case that works great, but uses a ton of power. In Unraid (the OS for my NAS) there is some kind of issue with the Ryzen 3900x processor that I'm running that means I have to disable all sleep states - so it's always at it's 100W TDP. Power is super expensive where I live so I'd love to find something more power efficient.

Does it make more sense to buy a more recent(ish) 5th gen ryzen in hopes that the sleep states will work, and thus save money by keeping my existing motherboard?

Or I could go with something a bit more interesting. I've seen on Aliexpress motherboards with mobile CPU's soldered which are very power efficient. For example the N100 has an insane 6W TDP and comes on special boards with lots of sata ports and 2.5G networking (link). The worry with the n100 though is that it only officially supports 16G of ram which might not be enough for zfs.

Any thoughts? Is anyone running a power-efficient build who could throw some advice my way? Thanks!

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[–] nopersonalspace@lemmy.world 3 points 9 months ago (14 children)

I have the nas connected to a UPS that reports it's power draw and it sits at about 100W at all times. There are one or two other small devices connected to it usually, so the nas itself is probably using a hair less that that at idle, but still it's quite high.

[–] stown@sedd.it 1 points 9 months ago* (last edited 9 months ago) (4 children)

I've got a 3800x that has plenty of performance but also uses a lot of power and I'm seriously considering upgrading to a 5700G. It's about 170 from Amazon right now.

Also, I don't think you're going to want your NAS to sleep/standby, that's really not typical.

[–] nopersonalspace@lemmy.world 1 points 9 months ago (3 children)

I guess that's a good point, but then is the right move to just get the lowest power CPU possible? I really don't need it to do all that much and rn it's hogging power.

[–] stown@sedd.it 2 points 9 months ago

Maybe not the lowest power possible... I wouldn't recommend running your NAS on a raspberry pi even though plenty of people do

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