Anyone built a home server recently. What spec is actually worth it for self-hosting in 2026 - genuine question

[Inland Aidan]

Thinking about building a home server for Nextcloud, Jellyfin, some AI model inference, and maybe a few game servers. What kind of spec makes sense and what do people actually regret not getting more of?

Budget is flexible but not unlimited, aiming for something that lasts five years

[Mason0]

RAM is the thing people always regret not buying more of. 64GB minimum if you are running multiple services. ECC RAM if your platform supports it, errors in a server are more consequential than in a desktop

[Shannon91]

CPU choice matters less than platform choice. An Intel Xeon E or AMD EPYC consumer equivalent gives you ECC support and PCIe lanes that consumer platforms cap out on

[Protocol]

For AI inference specifically, having a GPU with 24GB VRAM transforms what you can run locally. Either a used 3090 or a 4090 if budget allows. The unified memory of Apple Silicon is not easily available in a home server form factor

[TheGame]

Storage architecture is worth planning carefully. Fast NVMe for the OS and application data, large spinning disks in ZFS for media and backups. Do not mix these up

[Mia86]

Power consumption is the ongoing cost nobody budgets for. An always-on server pulling 150W costs about 200 pounds a year in electricity at current UK rates. Factor that into the build cost

[Current]

TrueNAS Scale on commodity hardware is the software recommendation I keep coming back to. The ZFS data integrity and the app ecosystem have both matured significantly

[CollapseState87]

Noise matters if the server is in living space. Server-grade hardware is loud. Consumer hardware with good fan control is quieter. Plan the physical location before buying the components