An "8-in-1" AIO image typically includes the following editions in both "Full" and "Server Core" installation modes:

: Specialized for hosting web applications and services via Internet Information Services (IIS) 7.5 . Technical Innovations in SP1

This operating system exclusively supports processors. Windows 2008 R2 Service Pack 1 - Microsoft Support

The introduction of Service Pack 1 added key virtualization capabilities:

: Optimized for virtualization; allows unlimited virtual instances on one server.

: Designed for small-to-medium businesses; supports up to 32 GB of RAM.