SonicWall NSa 4700 High Availability FirewallThe SonicWall NSa 4700 High Availability Firewall is a state of the art security appliance engineered for medium to large sized enterprises that demand rock solid protection without sacrificing performance. This next generation firewall blends cutting edge threat prevention, flexible security services, and a resilient high availability architecture to defend critical networks against evolving cyber threats. Designed to scale with your organization,