The Cisco PIX 535 Security Appliance delivers enterprise-class security for enterprise and service provider networks in a high performance, purpose-built appliance. Its highly modular three-rack unit design supports up to ten 10/100 Fast Ethernet interfaces or nine Gigabit Ethernet interfaces as well as redundant power supplies, making it an ideal choice for businesses requiring the highest levels of performance, port density, reliability, and investment protection. Part of the world-leading Cisco PIX Security Appliance Series, the Cisco PIX 535 Security Appliance provides a wide range of rich integrated security services, hardware VPN acceleration capabilities, and powerful remote management capabilities in a highly scalable, high-performance solution.