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Advice on new (low power/decent performance) cpu/mobo (alien.top)

submitted 10 months ago by Thutex@alien.top to c/homelab@selfhosted.forum

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Right now i have 2 servers, split up into a nas with plex (running on a g4920 - tdp around 50/60w),
and a low power "homeserver" which is running a few dockers (N3160, tdp around 10w)

as my disks are now around 5y of age, i'm looking into updating, and at the same time i'm looking into moving those 2 systems on to one system, but i want the tdp of the new system to be lower total than the g4920, with equal or better performance.

requirements are:

- low power (looking at cpu with tdp at or below 35, preferably powered by a dc jack)
- either 2 M2 slots (1 ssd + 1 sata expansion) or 1 M2 slot and 5/6 sata connections
- 2.5gb nic
- an additional M2 slot or mini pcie slot (for a coral)

so far the only contender i seem to find is a n5105 on an aliexpress board, but that is kind of "over the top" when it comes to network connections (i only need 2, though 2 is nice)

https://www.aliexpress.com/item/1005006134113828.html

does anyone have any other suggestions ?

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[–] PermanentLiminality@alien.top 1 points 10 months ago

TDP is a measure of power usage when all the CPU cores are at 100 % usage. Most homeland sit idle almost all the time. Basically TDP is mostly meaningless.

You will find that your 9th gen Celeron idles pretty close to the same as a i3, i5 or i7 of the same generation.

The cheap upgrade would be an i5-9500 in your existing system with perhaps some more ram. Unplug the other system as it's really slow. Upgrade your drives.

The problem with a newer low power CPUs like a n5105 or N100 is a lack of pci-e lines and SATA. If you want multiple high speed m.2 and non multiplexed SATA, you need a more standard CPU. Consider a 12th or 13th gen i3.

I'm not against n5105 or other low power systems. I run several. They just are not the best for a NAS.