The SonicWall TZ470 TotalSecure – Threat Edition – 1 Year 02-SSC-7257 firewall is one of the best SMB firewalls that offers superior performance with a simple management interface. The SonicWall TZ470 TotalSecure – Threat Edition – 1 Year is rated for 26-35 users, 3.5 Gbps firewall throughput, and 1.5 Gbps VPN throughput. Trust that your network security environment is protected with any of the SonicWall licenses that include Total Secure Essentials, Total Secure Advanced Secure Upgrade Plus Essentials, or Secure Upgrade Plus Advanced enhanced security features.