TZ 215 Series features.The TZ 215 provides intelligent protection, business-class performance, advanced networking features and configuration flexibility in an affordable desktop appliance that's easy to set up, operate and manage.High-performance security engine.The SonicWALL TZ 215 uses patented Reassembly-Free Deep Packet Inspection to examine traffic simultaneously across all ports without introducing latency to the network, enabling businesses to realize increased productivity gains.