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"Recommended System Requirements" for buying a used PC for selfhosting (self.selfhosted)
submitted 1 year ago by sem to c/selfhosted@lemmy.world
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I'm ready to graduate from my Raspberry Pi era of selfhosting and buy hardware specifically for use as a server.

I've been recommended in the past to look for used Lenovo Thinkstations and/or Dell Optiplex, but it has been so many years since I've shopped for a computer, I don't know what kind of specs to look for. What are the types of specs I should look for to get the best value for money?

I'm hoping to spend around $300-400, get something that can be upgraded in the future to last 10+ years, and do the following things:

  • YUNoHost / reverse proxy
  • Nextcloud with a custom domain for email addresses, cloud drive, photos
  • Music Streaming with something like Navidrome
  • Serve static websites
  • pi-Hole
  • Maybe pi-VPN

And someday maybe:

  • Host game servers like minecraft
  • Jellyfin for videos
  • Kodi and output to TV?

So far based on my selfhosted journey, I expect to want the following:

  • Room for 3+ Hard Drives
  • External UPS (probably will go with the cheap APC at Microcenter that's always on sale).
  • Solid Power Supply / Cooling
  • probably 1000 gigabit Networking (?)

The types of questions I have for Thinkstations / Optiplex:

  • How is the Power Supply / Cooling?
  • Processor? Do I need i5? i7? Generations? AMD? Clock Speed? I'm completely lost here.
  • How much RAM do I need?
  • Do I need a discrete graphics card? Can Thinkstations / Optiplex have a graphics card added to them later?
  • Anything else I'm missing?

Thanks!

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[-] kevincox@lemmy.ml 2 points 1 year ago

IMHO this isn't really worth it.

  1. x264 is very fast at lower profiles. Especially if you aren't streaming across the internet often the size hit from the fast profiles is fine. Even if you are streaming over the internet it is probably fine. Getting a slightly faster CPU will also get you super far and is more useful to have lying around than a GPU as it will benefit most things that you do on the server. And worst-worst case a bit of CPU usage isn't going to hurt much of the things that he is running (except maybe a game server if people are playing at the same time and you are really maxing out all of your cores).
  2. Integrated GPUs are fine for a handful of concurrent streams. Especially the Intel ones which have amazing media engines.
  3. Even if you are going for a dedicated GPU I would go with an Intel ARC. They are way better at media encoding and cost less.
  4. You can always add a GPU later. Wait until you have a need and are seeing problems without.
[-] hietsu@sopuli.xyz 1 points 1 year ago

Someone should explain me why transcoding is even needed (other than in case bandwidth is an issue)? My ”media server” at the moment is a custom ffmpeg script to edit all x264 mp4 files it finds by moving the moov atom to the beginning of the file (and what ever the similar thing for x265 was), and then lighttpd to serve them via dir listing. No file has yet had playback issues even over the internet…

[-] kevincox@lemmy.ml 3 points 1 year ago

There are a handful of common reasons.

  1. The client doesn't support the formats. Browser clients are notoriously picky not supporting some common video (for example few browsers support h265 and it isn't generally considered web-safe) and audio formats. But embedded devices may also cause trouble if they don't have enough CPU to do non-accelerated playback and don't have hardware support for the codec used.
  2. Playing at a lower bitrate. In that case you can transcode at the fly.
  3. Remuxing. This is things like the moov atom where the actual codecs are supported but not the container or exact packaging of the file.

But yeah, especially if you are using a player with wide format support you may not need it.

this post was submitted on 01 Jul 2025
27 points (100.0% liked)

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