FortiGate-3400E-USG
Fortinet FortiGate 3400E — Fortinet FortiGate-3400E-USG next-generation firewall
Lifecycle position
Options from here
Supported for now — track the end-of-service date and revisit at refresh planning.
Fold the eventual replacement into your multi-year budget.
Stay on a supported software train while under OEM support.
An option to extend life once the OEM cutoff nears.
Other SKUs in FortiGate 3400E
FortiGate-3400E-USG — questions
Is the Fortinet FortiGate-3400E-USG still supported?
Yes, for now. Fortinet's last date of support for FortiGate-3400E-USG is Apr 2030 (per the Fortinet end-of-sale bulletin).
When did the FortiGate-3400E-USG reach end of sale?
FortiGate-3400E-USG reached end of sale Apr 2025, per the Fortinet end-of-sale bulletin.
What is the last date of support (EOSL) for the FortiGate-3400E-USG?
Apr 2030 — per the Fortinet end-of-sale bulletin.
Can the FortiGate-3400E-USG be maintained after Fortinet support ends?
After the last date of support, FortiGate-3400E-USG units can often be kept in production through third-party maintenance providers. Fortinet no longer issues software fixes, support, or hardware replacement for it.