SonicWall TZ350 next-generation firewall. Published last-order-day (end-of-sale) and end-of-support (EOSL) dates from SonicWall's public Product Life Cycle Tables, linked for verification.
SonicWall TZ350 is still under SonicWall support, to Oct 2026. Fold the eventual replacement into your planning cycle.
The score reflects support-lifecycle timing and source confidence only — it is not a risk, safety or compliance rating. How it’s calculated →
SonicWall support for the SonicWall TZ350 ends soon. Weigh these before the cutoff:
Support ends soon — set the replacement window now, not mid-outage.
Bridge coverage past the OEM cutoff if you can't migrate in time.
Get the replacement into this planning cycle.
Secure spares before they get scarce after end-of-sale.
Independent and informational — EOSL.ai sells no hardware or maintenance and lists no paid placements. Third-party maintenance keeps unsupported gear in production past the OEM cutoff; whether it fits depends on the asset's role.
Not yet — all tracked TZ350 SKU groups are still within SonicWall support, though dates vary by SKU. See the breakdown below.
Oct 2026 — per the SonicWall end-of-sale bulletin.
Every end-of-sale and end-of-service-life date on this page links to the official SonicWall end-of-sale bulletin it was taken from.