You can check out awesome-selfhosted listed of softwares and see what you’re interested in looking to self host. Common things to self host is a media player that host your movies/TV shows/ or music. A Google drive replacement like nextcloud. Another idea to look for is, whatever services you’re using already , see if you can self host that yourself and see where that takes you.

Give it to me.

pretty basic

This spec blows my current gaming PC out of the water, let alone my homelab which is a 2015 Intel NUC running headless Linux and Docker.

This is either a shitpost or you have way too much disposable income.

With that much RAM, maybe buy a few NAS drives during Black Friday and use it as a NAS. Get an HBA card if you don’t have enough SATA ports, and put TrueNAS on it. ZFS loves lots of memory.

Sell it. You don’t need it.

I’ll take it off your hands. :)

Do a Mr. Beast kind of video where you just give it to someone for free but without filming the video.

Well… Thats a beast.

Proxmox. Run multiple VMs. 2 VMs for ubuntu server, run all your containers through that, perhaps kubernetes? This way if your containers go down, they just switch over. Super nice.

Than with all the extra resources… I mean, home lab for fun. Spin up windows server. Diff Linux distro. Learn arch, etc.

So if your spare PC has those specs… what’s the specs of your main PC?

It can handle almost any service you might care to self-host - and with that much RAM, several at a time. You could run multiple VMs and still have breathing room.

But a much less powerful box can also handle most self-hosted services well. If your existing Pi is doing the job, I wouldn’t switch. The 9900K will consume way more power, which is bad for the environment and your wallet.

Maybe make it into a testing station. Or donate it to a nonprofit. Or sell it. Or turn it into a living room gaming station, playing light games natively and streaming AAA games from another machine with Steam Link or Moonlight (in sleep mode when it’s not in use?). Or give it to a family member. Or make it available to a neighbor via Freecycle/Buy Nothing/similar gifting networks.

PROXMOX: It would make a very nice Proxmox server that could host many VMs and LXC Containers. I have a similar configuration (though an i7) that hosts 2 Windows VMs, a Windows 7 VM, a Docker VM, and a second Docker VM running Kasm. Everything is accessible externally either public using Cloudflare Tunnels or restricted using Cloudflare Tunnels + Cloudflare Applications. I have a 300x300 Internet connection, and while it doesn’t get a ton of use, it’s always very peppy, even remotely.

It’s overkill for a proxmox server that will likely sit idle

Use it as a streaming PC, buy a quick video capture card and use it to edit, stream and store footage while your main PC stays clean for larger games

Maybe a Jellyfin media server? GPU would help with hardware acceleration for transcoding.

Sell it and use the money for someting else

That’s a spare PC? I’m jelly.