Powerful, Robust and Always-Online
ZyXEL USG Extreme Series delivers high-access quality to help businesses satisfy the demand for always-online communications. For internal deployments, the USG Extreme Series provides active-passive High-Availability (HA) service to support device or connection failover. With Device HA Pro service, the USG Extreme Series also supports Smart failover, so connections are always maintained when a failover event occurs. For external deployments, the USG Extreme Series features multi-WAN load balancing/failover and a comprehensive mobile broadband USB modem support list for WAN backup operations. The Extreme Series also supports IPSec load balancing and failover, providing additional resilience for mission-critical VPN failover with VTI Interface deployments.

Impregnable Protection and Optimization
ZyXEL USG Extreme Series thoroughly protects networks with industry-leading firewall, Anti-Malware/Virus, Anti-spam, Content Filtering, IDP, and Application Intelligence functionality. Regulate unauthorized use of Web applications over your network, such as Facebook, Google apps, and Netflix, among others. ZyXEL security measures are enhanced with SSL Inspection, blocking threats hidden in SSL-encrypted connections while facilitating deeper policy enforcement. Furthermore, newly improved Content Filtering 2.0 enhances HTTPS Domain Filter, Browser SafeSearch, and Geo IP Blocking for an array of security enhancements to ensure clean Web connections.