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Question How many customer sites per server?

Paul123

New Pleskian
Server operating system version
Debian 11
Plesk version and microupdate number
18.0.58
I was wondering how many customers can typically be hosted on one server.

Currently, I have around 750 customers on a WordPress Multisite installation that I would like to migrate to a Plesk server, with each having their own WordPress installation.

Would this setup fit on a server with the following specs:

CPU - Ryzen 5 3600
RAM - 64GB ECC
Disk - 2 x 1.92 TB in RAID1 (that's enough)

Each customer only has a few visitors a day.

Email is currently on a separate mailserver, but I could consider migrating that as well. Do you guys have any real-world experiences or best practices to share?
 
Will probably work. Maybe a bit more RAM could be a good idea, but this depends on what the websites are doing.
 
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