SonicWall TZ400 series:

For small business, retail and branch office locations, the SonicWall TZ400 series delivers enterprise-grade protection. Flexible wireless deployment is available with optional 802.11ac dual-band wireless integrated into the firewall.

SpecificationTZ400 series
Firewall throughput1.3 Gbps
Threat Prevention throughput
(Max Security)
300 Mbps
Threat Prevention throughput
(Performance Optimized)
600 Mbps
Anti-malware throughput300 Mbps
IPS throughput900 Mbps
IMIX throughput500 Mbps
Max DPI connections90,000
New connections/sec6,000