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Raspberry Pi becomes a public company
(www.theregister.com)
This is a most excellent place for technology news and articles.
Not sure what a pi4 uses, but my NUC (16gb ram, 1tb NVME, quad core i3 up to 2.4ghz) running my smart home (HA in a VM) and a few other small services in LXCs uses ~7W on average. Loads more compute power if I need it at half the price. Even if a pi4 draws half the power, that's only $8 saving per year.