i686 Architecture, x86-based system
This is the server we normally offer.
i686 means that the Linux binary package was designed to be installed on 686 based computers.
An x86 is a computer system that is based on Intel's x86 family of CPUs, including Intel's Core and Pentium lines and AMD's Athlon, Opteron and Sempron families.
We use Linux CentOS for all our Linux based servers.