What are the firewall and VPN performance figures for this TZ370W model?

The firewall inspection throughput is 3 Gbps, and the IPSec VPN throughput is 1.38 Gbps. It also supports up to 900,000 maximum SPI connections.

Does this SonicWall TZ370W include wireless networking, and which Wi-Fi standards does it support?

Yes. It includes integrated wireless support with 2x2 802.11ac Wave 2, and supports 802.11a/b/g/n/ac Wave 2 wireless standards.

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SonicWall TZ370W Wireless Firewall (Gen 7) w/ Secure Upgrade Plus (2-Year Essential Protection Security Suite) | 02-SSC-6832

Designed for small organizations and lean branches, the TZ370 series deliver industry-validated security effectiveness with best-in-class price-performance.
10/5/2.5/1 GbE interfaces in a desktop form factor
2 Years of Essential Protection Security Suite included
Maximum Connections (SPI): 900,000
VPN Throughput: 1.38 Gbps