TZ300W
SonicWall TZ300 — SonicWall TZ300W 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
TZ300W — questions
Is the SonicWall TZ300W still supported?
No. SonicWall's last date of support for TZ300W was Jan 2025 (per the SonicWall end-of-sale bulletin) — it is past end of service life.
When did the TZ300W reach end of sale?
TZ300W reached end of sale Jan 2020, per the SonicWall end-of-sale bulletin.
What is the last date of support (EOSL) for the TZ300W?
Jan 2025 — per the SonicWall end-of-sale bulletin.
Can the TZ300W be maintained after SonicWall support ends?
After the last date of support, TZ300W units can often be kept in production through third-party maintenance providers. SonicWall no longer issues software fixes, support, or hardware replacement for it.