## Hardware Requirements

SME requires at least one encryption service engine in each cluster. The SME engines on the required modules provide the transparent encryption and compression services to the hosts and storage devices. To take full advantage of the standard and advanced security levels, a smart card reader is required.

For detailed information on required hardware and installing required hardware, refer to the specific installation guides. For information about ordering hardware, refer to http://www.cisco.com/en/US/ordering/index.shtml.

This section includes information about the following required hardware:

• Cisco MDS 9000 Family 18/4-Port Multiservice Module

• Cisco MDS 9222i Multiservice Modular Switch

• Cisco MDS 16-Port Storage Services Node

• FC-Redirect-Capable Switches

• Smart Card Readers