Is the SonicWall TZ Series 300 end of life?

Yes. The SonicWall SonicWall TZ Series 300 has reached end of life. Vendor support ended on 2025-01-23.

When is the SonicWall TZ Series 300 end of sale date?

The SonicWall SonicWall TZ Series 300 reached end of sale on 2020-01-23. The last date of vendor support is 2025-01-23.

When does SonicWall support end for the SonicWall TZ Series 300?

SonicWall support for the SonicWall TZ Series 300 ended on 2025-01-23.

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SonicWall TZ Series 300

Name: SonicWall TZ Series 300
Brand: SonicWall
SKU: TZ-Series-300
Availability: Discontinued

SKU TZ-Series-300

SonicWall Appliance · TZ Series

SonicWall TZ Series 300 has reached end of life. SonicWall support ended 2025-01-23. Last available for order 2020-01-23.

SonicWall TZ Series 300 Lifecycle Overview

The SonicWall SonicWall TZ Series 300 (TZ-Series-300) is a appliance product in the SonicWall TZ series. This product has reached end of life as of 2025-01-23, meaning SonicWall no longer provides technical support, software updates, or hardware replacement for this product. It was last available for purchase on 2020-01-23. Organizations still running the SonicWall TZ Series 300 should plan a migration .

Lifecycle Milestones

Lifecycle notice published	2020-01-22
End of sale	2020-01-23
End of software maintenance	2022-01-23
Last date of support	2025-01-23

Applicable Platforms

Source: Official SonicWall notice · Last verified 2026-04-14