SonicWALL NSA 220 Firewall Appliance - 7 Port 01-SSC-9750 Next-Generation Firewall, Scalable multi-core hardware and, Reassembly-Free Deep Packet Inspection Application intelligence, control and visualization, Stateful high availability and load balancing High performance and lowered TCO Network productivity, Advanced routing services and networking, Standards-based Voice over ip (voip) Dell Sonicwall Clean Wireless, Onboard Quality of Service (QoS), Integrated modules support