The NetScreen Series Security Systems are purpose-built, firewall/VPN security systems designed to deliver high-performance capabilities for large enterprise, carrier, and data center networks. The NetScreen Series consists of the 2-slot NetScreen-5200 and the 4-slot NetScreen-5400.

NetScreen-5200 NetScreen-5200 is a 2-slot chassis integrating firewall, VPN, traffic management functionality, Denial of Service, and Distributed Denial of Service protection, delivering up to 10 Gbps of firewall throughput. NetScreen-5400 NetScreen-5400 is a 4-slot chassis integrating firewall, VPN, traffic management functionality, Denial of Service and Distributed Denial of Service protection, delivering up to 30 Gbps of firewall throughput.