TZ300
SonicWall TZ300 — SonicWall TZ300 next-generation firewall
Lifecycle position
Options from here
Keep it in production past the OEM cutoff with an independent maintainer.
Buy spares now, while units still circulate on the secondary market.
It is unsupported today — set a migration timeline and budget.
Low-criticality role — document the risk, harden backups, retire on your terms.
Other SKUs in TZ300
TZ300 — questions
Is the SonicWall TZ300 still supported?
No. SonicWall's last date of support for TZ300 was Jan 2025 (per the SonicWall end-of-sale bulletin) — it is past end of service life.
When did the TZ300 reach end of sale?
TZ300 reached end of sale Jan 2020, per the SonicWall end-of-sale bulletin.
What is the last date of support (EOSL) for the TZ300?
Jan 2025 — per the SonicWall end-of-sale bulletin.
Can the TZ300 be maintained after SonicWall support ends?
After the last date of support, TZ300 units can often be kept in production through third-party maintenance providers. SonicWall no longer issues software fixes, support, or hardware replacement for it.