A key component of the Cisco SecureX Architecture®, the Cisco® ASA 5500 and 5500-X Next-Generation Firewall Series Adaptive Security Appliances integrate the world's most proven firewall with a robust suite of highly integrated, market-leading security services for networks of all sizes-small and midsize business with one or a few locations, large enterprises, service providers, and mission-critical data centers. The Cisco ASA 5500 and 5500-X Next-Generation Firewall Series deliver MultiScale™ performance with unprecedented services flexibility, including context-aware firewall capabilities, modular scalability, feature extensibility, and lower deployment and operations costs.\n\nYou need a firewall that meets small-office performance and cost needs yet delivers enterprise-strength security. The Cisco ASA 5500 and 5500-X Next-Generation Firewall Series were designed with this in mind. Available in a wide range of sizes and performance levels to fit your network, budget, and evolving security needs, all models deliver the same proven level of security that protects the networks of some of the largest and most security-conscious companies in the world. They also provide the visibility and control you need to take advantage of new applications and devices without compromising security.