Cisco ASA 5500 series adaptive security appliance fits your network and budget while offering the same proven level of security that protects some of the largest networks at some of the most security-conscious companies in the world. The ASA 5500 series scales to meet the performance and security requirements of a wide range of network applications, to correspond with your changing needs. The Cisco ASA 5515-X is midrange security appliance that uses the Cisco SecureX framework for a context-aware approach to security that delivers multiple security services, multigigabit performance, flexible interface options, and redundant power supplies. It is built on the same proven security platform as the rest of the ASA family of security appliances, and has been designed to deliver superior performance for exceptional operational efficiency.