Cisco ASA 5520 Adaptive Security Appliance delivers security services with Active/Active high availability, and Gigabit Ethernet connectivity to the medium sized enterprise network, all in one high performance appliance.

With high scalability, the Cisco ASA 5520 grows with the business, meeting new security requirements as they occur.

• Firewall Throughput: Up to 450 Mbps
• VPN Throughput: Up to 225 Mbps
• Concurrent Sessions: 280,000
• Interfaces: 4 Gigabit Ethernet ports and 1 Fast Ethernet port
• VPN clustering and load balancing