- Description
- Specifications
SonicWall TZ480 High Availability Unit with 4 Gbps Failover Capacity, 8 Gigabit Ethernet Ports, 2 SFP Slots, and Active/Passive Deployment for Gen 8 Business Continuity
The SonicWall TZ480 High Availability unit (03-SSC-6989) is the passive failover companion for TZ480 primary firewalls, providing automatic network protection continuity when the primary appliance experiences a hardware failure, connectivity loss, or software fault. The HA unit shares identical hardware specifications with the primary TZ480 including 4 Gbps firewall throughput, 256 MB/s VPN throughput, 281.60 MB/s IPS throughput, and 18,000 new connections per second across 8 Gigabit Ethernet ports and 2 SFP expansion slots in a 1.81 lb Gen 8 desktop chassis running SonicOS 8.
In an active/passive HA pair, the secondary unit continuously synchronizes configuration, session state, and security policies from the primary TZ480 through a dedicated HA link, assuming the primary role within seconds of detecting a failure with no manual intervention required. The HA unit inherits security service licensing from the primary appliance, so no separate subscription is needed. The 5 Gigabit Ethernet support, SD-WAN, SD-Branch integration, and zero-touch deployment from the primary carry over to the failover configuration, and the 13.77W power consumption per unit keeps the total power budget for a redundant network security deployment under 28 watts.
Where the SonicWall TZ480 HA Unit Fits
- Organizations requiring uninterrupted firewall protection where the active/passive HA pair provides sub-second failover from primary to secondary TZ480 with full session continuity, the identical 4 Gbps throughput on the secondary unit means zero performance degradation during failover, and the automatic configuration synchronization eliminates manual reconfiguration after a primary unit failure or planned maintenance window
- Compliance-driven environments with uptime requirements where regulatory frameworks or SLAs mandate redundant network security infrastructure, the HA pair provides documented failover capability for audit and compliance reporting, and the Gen 8 SonicOS 8 platform supports stateful HA synchronization across all security services running on the primary unit
- Multi-site deployments standardizing on TZ480 with redundancy where each location pairs a primary TZ480 with an HA unit for consistent failover coverage across all sites, the zero-touch deployment provisions both primary and secondary units remotely without on-site technicians, and the HA unit shares licensing with the primary to keep per-site redundancy costs to a single hardware purchase
What the SonicWall TZ480 HA Unit Delivers
- Automatic Failover Protection: Active/passive HA deployment with sub-second failover. Continuous configuration and session state synchronization. No manual intervention required during primary unit failure. Inherits security service licensing from the primary TZ480.
- Full TZ480 Hardware Specifications: 4 Gbps firewall throughput with 256 MB/s VPN and 281.60 MB/s IPS throughput. 18,000 new connections per second. 8 Gigabit Ethernet ports plus 2 SFP expansion slots. 5 Gigabit Ethernet support.
- Gen 8 Platform Compatibility: SonicOS 8 with stateful HA synchronization. SD-WAN and SD-Branch integration maintained through failover. Zero-touch deployment for remote HA provisioning.
- Compact Redundancy Hardware: 1.81 lb desktop chassis at 5.1 x 7.5 x 1.4 inches. 13.77W power consumption. Requires a separately purchased primary TZ480 unit with active security subscription.
