Sonic WALL NSA 3500 is a next generation United Threat Management firewall, utilizing a breakthrough multi-core hardware design with 4 cores & 6 Gigabit Ethernet interfaces to deliver real-time internal & external network protection without compromising network performance for corporate, branch office & distributed environments. The NSA 3500 combines high-speed intrusion prevention, file & content inspection & powerful application firewall capabilities with an extensive array of advanced networking & configuration flexibility features in an accessible, affordable platform that is easy to deploy & manage in a wide variety of environments. Sonic WALL Total Secure delivers the convenience of all-in-one network protection by combining gateway anti-virus, anti-spyware intrusion prevention, content filtering, firmware updates & 24X7 support onto a high-performance deep packet inspection firewall, creating a powerful, single security solution. Even before new threats begin to spread, Total Secure solutions are automatically updated with signatures that stop attacks before they can enter the network, ensuring around-the-clock protection. Total Secure provides complete network security against threats including viruses, spyware, worms, Trojans & more, yet it is simple to install & manage.