this post was submitted on 05 May 2025
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Don't fall for the trap that they recommend an expensive Pi 5: I am running Pi-hole on a Pi 2 but you can basically run this on obsolete hardware, whether that's a Pi or a PC/laptop
I'm running Pi-hole and Pi-VPN on a Zero W (using a Geekworm case w/RJ45). It's not very taxing at all.
I also run two other Pi-hole instances in my server cluster (one in Docker and one in an LXC container). Mostly just for uptime reasons, so I can take any one of them down at any time to perform maintenance and/or upgrade.
Can confirm. I have 10 year old pi2 that is dedicated to pi hole and even that is not utilizing all of its 1gb of memory
You may even be able to run it on a NAS. My NAS supports docker, which means I can run a pihole on it. I have a Pi 3b as my dedicated primary, but my NAS runs as a backup.
I run mine on a PI 0. Also use it as a samba disk partition for transferring files.
No performance impacts on regular browsing? I never dared to run a DNS on a wifi only device. Or are you using some kind of Ethernet over USB thing?
I’m running mine on a pi 0. Very slight latency difference - like 2-3ms. Totally worth it for blocking 30% of garbage on average. The decrease in time it takes to load anything more than makes up for the latency. We have over 20 devices on wifi. Both my son and I play online games and the only time I blame lag is when I suck lol.
I figured the latency would be no greater then going out to default dns, maybe a bit less.