What type of server should I buy to set up my own Jisti sever and what are advantages of that?

What type of server should I buy to set up my own Jisti sever and what are advantages of that? I prefer Debian servers only because I am familiar with Debian but still open to what you recommend. No Windows please. Light usage.

Something with 4Cores and 8GB of RAM, any Debian/Ubuntu will work for the debian installation follow: Self-Hosting Guide - Debian/Ubuntu server | Jitsi Meet