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I’m using an old gaming pc. 16 gb ram and i5 9400F. Less specs than what you’re looking for but I’m running Nextcloud, Plex (@4k), Pihole, home assistant, and an entire Debian virtual machine. All of that uses 10GB of ram.
If ya want budget, you can go really far with low specs.
Yeah, I agree. I've wanted to get into home servers for a while now. The final push was me running a Valheim server for me and my friends on my regular PC, while I also recently got some old parts from a friend that had build a new PC.
I just needed to gather a few more parts that were missing (case, SSD and CPU cooler) and now it's running like a dream. It's some old-ass hardware: An i5 4460 with 8GB of DDR3 and a 250GB SSD. That's a 10 year old CPU. Doesn't seem like a lot and I haven't put a lot of services on it for now, but it still runs surprisingly well. I'm currently running a Valheim server with often 2-4, sometimes 5 or 6 players playing at the same time, Adguard and Syncthing. And yet, only 2.4GB of Ram is in use, with often around/less than 10% CPU usage, maybe a little more when a lot of people start playing VH. The CPU temps are around 30-33 degrees Celsius today, and that's only because summer is arriving. It was consistently around 25 degrees Celsius in the past week. Today I tried to add a Wireguard server to it, although I ran into some problems and I wanted to put some more thought into what OS to run anyway (It's just Ubuntu Server for now as I just wanted to get the Valheim server to run for now).
I'm starting to get into an infodump, but long story short: You can indeed get really, really far with some very cheap hardware. I've only spend around 50-60 euros on it so far, by having some luck, patience and keeping an eye out for deals or viable hardware that people want to get rid of. You can always upgrade to something more powerful or more energy efficient, but if you just want to get into the hobby, you really don't need a lot.
That’s awesome that you’ve got such an old PC doing so much!
That's what I thought as well! I was quite surprised with what it still can do, so I'm really happy with it! Especially since I love giving tech a longer/second life when it's still good. I always try to get the most out of it and this project is a great success :)