Note: Items marked with asterisk (*) are available on some models only.
1  Server
2  Keyboard and front door*
3  Material box, including items such as accessory kit, power cords* and documentation
Server form factor
The ThinkSystem ST550 server is designed to support both tower and rack form factors.
You can change the server from tower form factor to rack form factor by installing the tower-to-rack 
conversion kit. For instructions on how to install the tower-to-rack conversion kit, refer to the documentation 
that comes with the conversion kit.
Chapter 1. Introduction 3