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> I just hope my top shelf 2020-era desktop doesn’t die on me because it would get very expensive to get a new build these days.

I could probably sell my gaming rig (12900K, 64GB of DDR5, 4TB NVME, RTX 3090) for more today than what I built it for about 4 years ago, it's absurd. I won't, of course, because it's still glorious for 4K gaming even today. In retrospect, $5000 very well spent.

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I have a similar rig, but a 10th gen i7, 128GB of DDR4, 2TB NVMe, and dual RTX 3090s. Built it in 2021 for crypto mining, it ended up paying itself off just before Eth went PoW. I kept it mining even after profitability, because it ran warm enough to heat my apartment leaving my HVAC on fan-only to circulate the heat around.

After winter, I started playing with various other GPU loads until LLMs and SD became easy enough to use. Now it's my experimentation machine.

It's already paid for itself, so anything I sell it for would be profit, but it is still super nice for running local LLMs that power various projects "for free".

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You might sell it for more but buying a replacement costs even more so you’re losing money either way. The only way is to sell and never look back.
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I did exactly this and suggest it. Used Dell Latitude (the one I got is one from 2019 - model 5300). I put Linux Mint Debian Edition (https://linuxmint.com/download_lmde.php) on it. Works absolutely great.

Small Dell Optiplexes are good for desktop computers.

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I got an old hp elitedesk off of eBay, I don’t remember the cpu but it has 8 gig of ram and an ssd. Ubuntu+dokku and it runs all my self hosted stuff.
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