. The Dell SonicWALL Network Security Appliance (NSA) series combines the patented Dell SonicWALL Reassembly Free Deep Packet Inspection (RFDPI) engine with a powerful and massively scalable multi-core architecture to deliver intrusion prevention gateway anti-virus gateway anti-spyware and application intelligence and control for businesses of all sizes.By integrating automated and dynamic security capabilities into a single platform the NSA series provides comprehensive next-generation firewall protection without compromising performance.Along with superior power efficiency Dell SonicWALL NSA series appliances lower the total cost of ownership by reducing complexity and the time necessary to configure deploy and maintain security solutions. An intuitive GUI and powerful set-up wizards make it easy to quickly set up and fine-tune network policies application rules VPN connections and more..