. The Dell Sonic WALL Network Security Appliance (NSA) series combines the patented Dell Sonic WALL Reassembly Free Deep Packet Inspection (RFDPI) engine with a powerful & massively scalable multi-core architecture to deliver intrusion prevention gateway anti-virus gateway anti-spyware & application intelligence & control for businesses of all sizes. By integrating automated & 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 Sonic WALL NSA series appliances lower the total cost of ownership by reducing complexity & the time necessary to configure deploy & maintain security solutions. An intuitive GUI & powerful set-up wizards make it easy to quickly set up & fine-tune network policies application rules VPN connections & more..