1U. Wired. Total storage capacity: 256 GB. 110.4 W. SonicWall NSa 4800. Need to increase your throughput without compromising on security?. The SonicWall Network Security appliance (NSa) 4800, is an integrated next-gen firewall, and serves as the cornerstone of a perfect network security solution for medium to large organisations seeking to secure their on premise infrastructure. SonicWall latest mid-range next-gen firewalls, Network Security Appliance (NSa) 4800 offer medium and large enterprises industry-leading threat prevention performance at the lowest total cost of ownership in their class. The 4800 is the cornerstone of the threat protection solution that includes simplified centralised firewall management, Zero Trust enablement, flexible licensing with an option of managed firewall services, and an embedded cyber warranty for risk mitigation. The Gen 8 firewalls deliver comprehensive security features such as intrusion prevention, VPN, application control, malware analysis, URL filtering, DNS Security, Geo-IP and Bot-net services, protecting the perimeter from advanced threats without becoming a bottleneck. Data transmission. Firewall throughput. 20 Gbit/s.