Considering what you'll spend on a RPi4 setup, there are better computers than that.
Search for mini pc, or even second hand. You'll be better served.
Thanks for the info. This is what I'm looking for. If you run a lightning node, do you worry about redundancy?
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If you're refering to data redundancy, yes you should worry about it. You can read into RAID storage setup. These mini-pc setups might not be the best option for RAID, as you need multi-storage capable hardware.
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