NSa-3650, Sonicwall NSa Series Firewall, High throughput/Branch office use/SMB performance

The Sonicwall NSa 3650 is a next-generation enterprise firewall designed to secure medium to large distributed networks. Delivering 3.75 Gbps firewall throughput and 1.6 Gbps full DPI throughput, it combines deep packet inspection, IPS, VPN, and advanced content filtering in a single high-performance appliance. With up to 1,500,000 maximum connections, multiple security contexts, and flexible interfaces including 16x1GbE and 4x2.5 GbE SFP, the NSa 3650 supports secure connectivity for branch offices, data centers, and cloud-connected environments. Integrated anti-spam, comprehensive logging options, and high availability modes make it ideal for service providers, value-added resellers, and enterprise IT teams across Asia, Europe, Africa, and North America seeking scalable, carrier-grade protection without sacrificing network performance.

Product Features Comparison

Model	Sonicwall NSa 3650	Sonicwall NSa 2650	Sonicwall NSv 25	Sonicwall NSv 50
Brand	Sonicwall	Sonicwall	Sonicwall	Sonicwall
Firewall Throughput	3.75 Gbps	3.0 Gbps	2.0 Gbps	n/a
VPN Performance	1.5 Gbps	1.5 Gbps	600 Mbps	750 Mbps
Interface Type and Count	16x1GbE, 4x2.5 GbE SFP	4x1GbE SFP, 8x1GbE, 2 USB, 1 Console	Network Interface Cards Supported: 1 GbE, 10 GbE	Network Interface: 1 Gbps Ethernet
Concurrent Sessions	1,500,000	1,000,000	200,000	200,000
Security Features	Content Filtering (CFS), Anti-Spam, IPS, High Availability	Content Filtering, Anti-Spam, WAN Failover, Logging and Reporting	Gateway Anti-Virus, Anti-Spyware, Intrusion Prevention	Intrusion Prevention, Malware Protection, Content Filtering, Threat Emulation, URL Filtering