this post was submitted on 18 Sep 2026
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Fitting a server with desktop hardware in a 1U rack mount chassis (fedia.io)
submitted 1 week ago by QuantumEraser@fedia.io to c/selfhosted@lemmy.world
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I have a server with desktop hardware (microATX motherboard and Core Ultra 7 265K CPU) which I use to run a Minecraft server. Its current physical location isn't ideal, so I'd like to put it in a rack mount chassis and move it to a server room I have access to through my university. However rack space in the room is limited, so it would be best if I can fit it into a 1U space.

From what I've heard the biggest issue with 1U is cooling, especially as the 265K can draw up to 250W. It seems like 1U microATX chassis do exist, like this one, but they don't look like they have good airflow, and I'm not sure where I would get a short enough heatsink. Could I realistically make 1U work, and if so what should I look for in terms of hardware? Or am I going to have to go with 2U?

Edit: I ended up giving up on 1U. Instead I bought a miniITX motherboard and am going with this 2U dual miniITX chassis. Way more vertical space to work with and it gives me the option to add a second server (something I want to do once memory/storage prices calm down) within the same rack space.

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[–] QuantumEraser@fedia.io 2 points 1 week ago (2 children)

A typical server unfortunately won't work for my use case, as Minecraft servers are highly single threaded workloads and desktop CPUs are just far better than server CPUs in that regard.

[–] epyon22@sh.itjust.works 2 points 6 days ago (1 children)

You must have a lot of people and/or some heavy mods. I haven't had much issues with 3-4 people on a VM with a Xeon E5-2690 2.90GHz

[–] QuantumEraser@fedia.io 1 points 6 days ago

For small playercounts a server CPU works fine, but my server regularly has 20+ concurrent players and sometimes has up to 50 so we kinda need the performance.

[–] gccalvin@lemmy.world 1 points 6 days ago

Exactly. This is one of the reasons why I run desktop hardware.