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"Recommended System Requirements" for buying a used PC for selfhosting
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this post was submitted on 01 Jul 2025
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transitioning away from raid but I do love zfs for flexibility. A lot of the data I have is important for someone or somebody, so zfs and a decent backup solution is in use just to make sure. I went bananas and picked up a used Supermicro 4-node server that takes dual E5 Zeons (V1 or V2) with 2xE5-2620s and 49 gig ram in each node for £80 (I'm in the UK). Plenty of power and next is to upgrade the cpus to slightly better cpus to reduce power as it currently uses 2 nodes and I am pulling around 300 watts most of the time. Backup solution is an old Ryzen 3200G with 32 gig ram that runs truenas and has 5x3tb spinny drives in it
All that power was a huge driver for me - my old desktop that I used as a server was pulling 120w constantly.
Now between the SFF and NAS it's about 35w. That's a significant difference, plus the office doesn't get as hot.
And I'd love to run ZFS again, kind of hard to beat it for redundancy and failure resistance. Maybe the next NAS I build will be Proxmox again.