SonicWall TZ270 vs SonicWall TZ370: specs comparison
How the SonicWall TZ270 (firewall) and the SonicWall TZ370 (firewall) differ, worked out only from the values on each maker’s official spec page. No prices, ratings or benchmark scores.
Key differences
- SonicWall TZ370 has higher firewall throughput: 3 Gbps vs 2 Gbps (about 1.5x).
- SonicWall TZ370 has higher threat protection throughput: 1 Gbps vs 750 Mbps.
- SonicWall TZ370 has higher IPS throughput: 1.5 Gbps vs 1 Gbps (about 1.5x).
- SonicWall TZ370 has higher VPN throughput: 1.38 Gbps vs 750 Mbps (about 1.8x).
- SonicWall TZ370 handles more concurrent sessions: 900K vs 750K.
Who should pick which
- Pick the SonicWall TZ370 if you want more firewall throughput (3 Gbps), more threat protection throughput (1 Gbps), more IPS throughput (1.5 Gbps) and more VPN throughput (1.38 Gbps).
None of the computed differences favour the SonicWall TZ270; it may still differ in price, design or features the official pages do not list.
Full specifications side by side
| Spec | SonicWall TZ270 | SonicWall TZ370 |
|---|---|---|
| Firewall throughput | 2 Gbps (firewall inspection) | 3 Gbps (firewall inspection) |
| IPS throughput | 1 Gbps | 1.5 Gbps |
| Threat protection throughput | 750 Mbps (threat prevention) | 1 Gbps (threat prevention) |
| VPN throughput | 750 Mbps | 1.38 Gbps |
| Concurrent sessions | 750K (maximum connections, SPI) | 900K (maximum connections, SPI) |
| Source | Official specs · checked 2026-10-28 | Official specs · checked 2026-10-28 |
Questions
What is the difference between SonicWall TZ270 and SonicWall TZ370?
SonicWall TZ370 has higher firewall throughput: 3 Gbps vs 2 Gbps (about 1.5x). SonicWall TZ370 has higher threat protection throughput: 1 Gbps vs 750 Mbps. SonicWall TZ370 has higher IPS throughput: 1.5 Gbps vs 1 Gbps (about 1.5x).
Which has higher firewall throughput, SonicWall TZ270 or SonicWall TZ370?
SonicWall TZ370 has higher firewall throughput: 3 Gbps vs 2 Gbps (about 1.5x).
Which has higher threat protection throughput, SonicWall TZ270 or SonicWall TZ370?
SonicWall TZ370 has higher threat protection throughput: 1 Gbps vs 750 Mbps.
Every difference above is calculated from the two spec tables, which are copied from SonicWall’s official pages. A spec that only one page states is not compared. Variants and options differ by region, so confirm on the official page before you buy. Spotted a difference? Report a correction.