SonicWall, a leading network infrastructure company, has introduced its latest E series Network Security Appliance (NSA) processor firewalls designed to suit small and medium size enterprises, campus networks or datacenters where bandwidth considerations require high-performance solutions. The E series firewalls consist of NSA E7500, E6500 and E5500. This firewalls series features high security measures and is able to deliver gateway antivirus, antispyware and prevent intrusion.
The SonicWall Network Security Appliance E series is an industry first—a multi-core Unified Threat Management (UTM) appliance that delivers enterprise-class deep packet inspection without significantly impacting network throughput. It has multiple layers of protection and allows network administrators to access to a set of customizable protection tools for better controlling and inspecting of the network traffic.

According to SonicWall, NSAE7500 is designed to protect central enterprise sites with distributed networks in environments such as web or application hosting. The NSA E65000 and E5500 suit small and medium enterprise more to defend network based attacks. The NSA E-Class series is priced starting from US$13,995 onwards.