this post was submitted on 11 Oct 2025
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Home Assistant is open source home automation that puts local control and privacy first.
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Switching from Raspberry Pi 4 to Home Assistant Green or Yellow? (lemmy.world)
submitted 3 days ago by early_riser@lemmy.world to c/homeassistant@lemmy.world
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I've been using the same Raspberry Pi 4 to host HA for years. It's worked well enough, but I worry about the stability of the SD card. I'm no stranger to cards that fail suddenly. Had one fail on another Pi just yesterday.

The various HA hardware offerings (Green/Yellow) use more stable flash storage. Can I swap out one hub for another? If so, how difficult is it? What would I be gaining or giving up by going with HA's offering? I know the Yellow has a built-in zigbee radio and PoE, but you need to buy a Pi compute module. There are also fewer USB ports on both the yellow and the green compared to the pi.

I know I could use any computer to host HA, and thus gain arbitrarily performant storage/memory/other stuff. Is there any advantage to, say, having more storage? What exactly is HA storing besides the history of entity states?

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[โ€“] Maroon@lemmy.world 10 points 3 days ago (1 children)

I use a Pi4 as well. You do know that it is possible to make it boot from an SSD or HDD, right?

https://thelinuxcode.com/how_to_boot_raspberry_pi_4_from_usb_ssd/

[โ€“] passenger@sopuli.xyz 1 points 1 day ago

Although it's good to update the firmware, it will probably boot nicely already. As far as I know, only the very first units would not boot from usb.